diff --git a/apps/api/src/sources/750g.ts b/apps/api/src/sources/750g.ts
new file mode 100644
index 0000000..1b46497
--- /dev/null
+++ b/apps/api/src/sources/750g.ts
@@ -0,0 +1,389 @@
+import type {
+  ParsedRecipe,
+  RecipeSourceAdapter,
+  RecipeSourceListItem,
+  RecipeSourceListParams,
+  RecipeSourceListResult,
+} from "../lib/recipe-sources/recipe-source-adapter.js";
+import {
+  RecipeSourceFetchError,
+  RecipeSourceParseError,
+} from "../lib/recipe-sources/recipe-source-errors.js";
+import { jsonLdRecipeAdapter } from "./json-ld-recipe.js";
+
+const SOURCE_KEY = "750g";
+
+// 750g.com's own site search is a client-side widget (results are fetched
+// by the page's own JS after load, nothing server-rendered to scrape) — but
+// that JS itself calls this plain GET endpoint, an "AI answer engine" that
+// returns an HTML fragment of recipe cards for a free-text query. Verified
+// live: works with a bare `fetch`, no special headers/cookies/session
+// needed, same as every other adapter in this family.
+const SEARCH_URL = "https://www.750g.com/genius/query/";
+
+/**
+ * Matches every `<script type="application/ld+json">…</script>` block —
+ * same shape as `JSON_LD_SCRIPT_PATTERN` in json-ld-recipe.ts, kept as its
+ * own private copy here rather than sharing that module's export: this one
+ * does textual surgery on the *raw HTML* before `jsonLdRecipeAdapter` ever
+ * sees it (see {@link sanitizeJsonLdBlocks} below), a different concern
+ * from extracting-and-parsing blocks into objects.
+ */
+const JSON_LD_SCRIPT_PATTERN =
+  /(<script[^>]*type\s*=\s*["']application\/ld\+json["'][^>]*>)([\s\S]*?)(<\/script>)/gi;
+
+/**
+ * Escapes any raw (unescaped) JSON control character — U+0000–U+001F —
+ * found *inside* a string literal of `json`, leaving everything outside
+ * string literals (structural whitespace, brackets, …) untouched. Fixes a
+ * real bug in 750g.com's own JSON-LD generator: some `HowToStep.text`
+ * values contain a literal, un-escaped `\r\n` where valid JSON requires
+ * `\\r\\n` (verified live, e.g.
+ * https://www.750g.com/poulet-au-vin-jaune-et-aux-morilles-r3844.htm — and
+ * roughly a third of a random sample of recipe pages hit this) —
+ * `JSON.parse` throws "Bad control character in string literal" on these
+ * pages as-is, which would make `jsonLdRecipeAdapter.parse` wrongly report
+ * "no JSON-LD Recipe found" on a page that has a perfectly good one.
+ *
+ * A blind find/replace across the whole block would be wrong: JSON also
+ * uses real newlines as *structural* whitespace between tokens
+ * (pretty-printing), where they're perfectly legal and must be left alone —
+ * only walking the text with string-literal awareness (tracking `"…"`
+ * boundaries and `\`-escapes) can tell the two apart.
+ */
+function escapeRawControlCharactersInStrings(json: string): string {
+  const SHORT_ESCAPES: Record<string, string> = {
+    "\b": "\\b",
+    "\f": "\\f",
+    "\n": "\\n",
+    "\r": "\\r",
+    "\t": "\\t",
+  };
+
+  let result = "";
+  let inString = false;
+  let escapedNext = false;
+  for (const ch of json) {
+    if (!inString) {
+      if (ch === '"') inString = true;
+      result += ch;
+      continue;
+    }
+    if (escapedNext) {
+      result += ch;
+      escapedNext = false;
+      continue;
+    }
+    if (ch === "\\") {
+      result += ch;
+      escapedNext = true;
+      continue;
+    }
+    if (ch === '"') {
+      inString = false;
+      result += ch;
+      continue;
+    }
+    if (ch < " ") {
+      result += SHORT_ESCAPES[ch] ?? `\\u${ch.charCodeAt(0).toString(16).padStart(4, "0")}`;
+      continue;
+    }
+    result += ch;
+  }
+  return result;
+}
+
+/**
+ * Runs {@link escapeRawControlCharactersInStrings} over every JSON-LD
+ * `<script>` block's content in `html`, leaving the rest of the page
+ * untouched — the repair step `fetchDetail`'s raw HTML needs before
+ * `jsonLdRecipeAdapter.parse` (which does its own extraction/`JSON.parse`
+ * internally) ever sees it.
+ */
+function sanitizeJsonLdBlocks(html: string): string {
+  return html.replace(
+    JSON_LD_SCRIPT_PATTERN,
+    (_match, openTag: string, json: string, closeTag: string) =>
+      `${openTag}${escapeRawControlCharactersInStrings(json)}${closeTag}`,
+  );
+}
+
+/**
+ * Numeric entities plus a hand-picked table of named ones — not a general
+ * HTML5 entity decoder (400+ named entities exist in the spec), just what's
+ * actually been observed necessary to clean up 750g.com's French recipe
+ * text: the five basic XML entities, Latin-1 accented letters, and a
+ * handful of common punctuation entities.
+ */
+const NAMED_ENTITIES: Record<string, string> = {
+  amp: "&",
+  lt: "<",
+  gt: ">",
+  quot: '"',
+  apos: "'",
+  nbsp: " ",
+  eacute: "é",
+  egrave: "è",
+  ecirc: "ê",
+  euml: "ë",
+  agrave: "à",
+  acirc: "â",
+  auml: "ä",
+  icirc: "î",
+  iuml: "ï",
+  ocirc: "ô",
+  ouml: "ö",
+  ucirc: "û",
+  ugrave: "ù",
+  uuml: "ü",
+  ccedil: "ç",
+  oelig: "œ",
+  aelig: "æ",
+  laquo: "«",
+  raquo: "»",
+  lsquo: "‘",
+  rsquo: "’",
+  ldquo: "“",
+  rdquo: "”",
+  hellip: "…",
+  ndash: "–",
+  mdash: "—",
+  deg: "°",
+};
+
+/** One pass of numeric (`&#39;`/`&#x27;`) and {@link NAMED_ENTITIES} decoding — see {@link decodeHtmlEntities}, which is what actually runs against parsed text; this is split out only so that function can run it twice. */
+function decodeHtmlEntitiesOnce(text: string): string {
+  return text.replace(/&(#x?[0-9a-fA-F]+|[a-zA-Z]+);/g, (entity, body: string) => {
+    if (body[0] === "#") {
+      const isHex = body[1] === "x" || body[1] === "X";
+      const codePoint = isHex
+        ? Number.parseInt(body.slice(2), 16)
+        : Number.parseInt(body.slice(1), 10);
+      return Number.isFinite(codePoint) ? String.fromCodePoint(codePoint) : entity;
+    }
+    return NAMED_ENTITIES[body] ?? entity;
+  });
+}
+
+/**
+ * Decodes HTML entities in free-text pulled from 750g.com, run **twice**:
+ * its JSON-LD sometimes double-escapes text that already went through its
+ * own HTML-entity encoder once — e.g. a real "é" ends up as `&amp;eacute;`
+ * (the `&` of an already-produced `&eacute;` got re-escaped to `&amp;`)
+ * rather than a plain `&eacute;` or a raw "é" (verified live, e.g.
+ * "Pr&amp;eacute;parez" on
+ * https://www.750g.com/poulet-au-vin-jaune-et-aux-morilles-r3844.htm). One
+ * pass turns that into `&eacute;` — a *newly formed*, valid-looking entity
+ * — so a second pass is needed to resolve it the rest of the way to "é". A
+ * string with no entities at all (the common case) is unaffected by either
+ * pass.
+ */
+function decodeHtmlEntities(text: string): string {
+  return decodeHtmlEntitiesOnce(decodeHtmlEntitiesOnce(text));
+}
+
+/**
+ * Runs {@link decodeHtmlEntities} over every free-text field of a
+ * `ParsedRecipe` produced by `jsonLdRecipeAdapter.parse`. `picture`/
+ * `sourceUrl` are deliberately left untouched — they're URLs, not prose,
+ * and the entity-encoding bug this fixes has only ever been observed in
+ * name/description/instruction/ingredient text, never in a URL field.
+ */
+function decodeParsedRecipeText(recipe: ParsedRecipe): ParsedRecipe {
+  return {
+    ...recipe,
+    name: decodeHtmlEntities(recipe.name),
+    description: recipe.description === null ? null : decodeHtmlEntities(recipe.description),
+    ingredients: recipe.ingredients.map((ingredient) => ({
+      ...ingredient,
+      rawText: decodeHtmlEntities(ingredient.rawText),
+      name: decodeHtmlEntities(ingredient.name),
+    })),
+    steps: recipe.steps.map((step) => ({
+      ...step,
+      description: decodeHtmlEntities(step.description),
+    })),
+  };
+}
+
+/** One recipe card as scraped off a 750g.com results fragment (search or listing page) — see {@link extractRecipeCards}. */
+interface SevenFiftyGCard {
+  url: string;
+  title: string;
+  image: string | null;
+}
+
+/**
+ * Scrapes every recipe card out of a 750g.com results HTML fragment —
+ * there's no JSON-LD `ItemList` on this endpoint to lean on (unlike
+ * marmiton.ts's search page), just the same server-rendered `card-recipe`
+ * markup 750g.com uses everywhere. Each card's title/url comes from its
+ * `<a class="card-link">`; its image is whichever `<img>` most recently
+ * preceded that link, rather than a naive same-index zip of "every image on
+ * the page" against "every link on the page" — a plain fragment like this
+ * one carries a few extra decorative images with no card of their own
+ * (verified live: 28 `<img>` tags against 23 real cards for one sample
+ * query), which would silently shift every image after the first stray one
+ * onto the wrong title. Each card's own `<img>` always sits immediately
+ * before its title link in the markup, so "nearest preceding image" is
+ * unambiguous and doesn't depend on the two counts matching.
+ */
+function extractRecipeCards(html: string): SevenFiftyGCard[] {
+  const linkPattern =
+    /<a\s+href="(https:\/\/www\.750g\.com\/[^"]+)"\s+class="card-link[^"]*">([^<]+)<\/a>/g;
+  const imagePattern = /<img[^>]*\ssrc="(https:\/\/static\.750g\.com\/images\/[^"]+)"[^>]*>/g;
+  const images = [...html.matchAll(imagePattern)];
+
+  const cards: SevenFiftyGCard[] = [];
+  let searchFrom = 0;
+  for (const linkMatch of html.matchAll(linkPattern)) {
+    let image: string | null = null;
+    for (const imgMatch of images) {
+      if (imgMatch.index === undefined || imgMatch.index >= linkMatch.index) break;
+      if (imgMatch.index >= searchFrom) image = imgMatch[1] ?? null;
+    }
+    cards.push({
+      url: linkMatch[1] ?? "",
+      title: decodeHtmlEntities(linkMatch[2] ?? ""),
+      image,
+    });
+    searchFrom = linkMatch.index;
+  }
+  return cards;
+}
+
+/**
+ * Re-labels a `RecipeSourceFetchError`/`RecipeSourceParseError` thrown by
+ * the generic `jsonLdRecipeAdapter` (`sourceKey` `"jsonLdRecipe"`) as having
+ * come from this adapter instead (`sourceKey` `"750g"`) — same reasoning as
+ * marmiton.ts's identically-named helper: `fetchDetail`/`parse` below are
+ * thin wrappers around the generic adapter's own methods, but a caller
+ * catching `RecipeSourceError` and reading `.sourceKey` should see "750g",
+ * the source it actually asked about.
+ */
+function rekeySourceError(err: unknown): unknown {
+  if (err instanceof RecipeSourceFetchError) {
+    return new RecipeSourceFetchError(SOURCE_KEY, err.message, { cause: err.cause });
+  }
+  if (err instanceof RecipeSourceParseError) {
+    return new RecipeSourceParseError(SOURCE_KEY, err.message, { cause: err.cause });
+  }
+  return err;
+}
+
+/**
+ * 750g.com — one of France's largest recipe sites. Unofficial (`official:
+ * false`): no published API, this adapter fetches ordinary pages and reads
+ * the schema.org structured data 750g.com embeds for search engines, built
+ * on {@link jsonLdRecipeAdapter} the same way marmiton.ts is. Two real
+ * 750g-specific problems separate this adapter from a pure thin wrapper
+ * like marmiton.ts, though:
+ *
+ * - `list()` has no `ItemList` JSON-LD to read off its search results (see
+ *   {@link extractRecipeCards}) — its site search is a client-side widget,
+ *   so this instead calls the plain GET endpoint that widget's own JS calls
+ *   internally (`SEARCH_URL`), an "AI answer engine" that returns a curated
+ *   batch of cards for a free-text query rather than an exhaustive,
+ *   paginated catalog — verified live, requesting `page=2` of the same
+ *   query always comes back empty, so `nextCursor` is always `null` here,
+ *   same as `theMealDbAdapter`'s "one response holds every match".
+ * - `parse()` doesn't delegate to `jsonLdRecipeAdapter.parse` as directly as
+ *   marmiton.ts's does — 750g.com's own JSON-LD generator has two real bugs
+ *   this adapter works around: some pages embed literal, unescaped control
+ *   characters inside a JSON string (see {@link sanitizeJsonLdBlocks}), and
+ *   its free text is sometimes double HTML-entity-encoded (see
+ *   {@link decodeParsedRecipeText}). Both are pre/post-processing around the
+ *   same underlying delegation, not a reimplementation of it.
+ */
+export const sevenFiftyGAdapter: RecipeSourceAdapter<{ html: string; url: string }> = {
+  key: SOURCE_KEY,
+  name: "750g",
+  official: false,
+  // Un chemin stable, sans le paramètre `?v=…` de cache-busting que 750g.com
+  // ajoute à ses balises <link> (susceptible de changer à chaque
+  // déploiement) — cette adresse répond correctement sans lui.
+  iconUrl: "https://www.750g.com/img/750g/favicons/favicon.svg",
+  // Le contenu de 750g.com (noms, ingrédients, instructions) est en
+  // français — détermine contre quel modèle/locale d'étiquettes
+  // d'ingrédients translateRecipe (recipe-translation.ts) résout les
+  // recettes de cette source lors d'une prévisualisation/d'un import.
+  locale: "fr",
+
+  async list(params: RecipeSourceListParams): Promise<RecipeSourceListResult> {
+    try {
+      const query = params.query ?? "";
+      // `params.cursor` est ignoré : voir le commentaire du module — cette
+      // recherche ne pagine pas réellement, il n'existe donc jamais de
+      // curseur légitime à faire transiter (`nextCursor` vaut toujours
+      // `null` ci-dessous).
+      const searchUrl = `${SEARCH_URL}?query=${encodeURIComponent(query)}&query_type=written_query&page=1`;
+
+      let response: Response;
+      try {
+        response = await fetch(searchUrl);
+      } catch (cause) {
+        throw new RecipeSourceFetchError(
+          SOURCE_KEY,
+          `Network error searching 750g (${searchUrl})`,
+          {
+            cause,
+          },
+        );
+      }
+      if (!response.ok) {
+        throw new RecipeSourceFetchError(
+          SOURCE_KEY,
+          `750g search responded ${response.status} (${searchUrl})`,
+        );
+      }
+      const html = await response.text();
+
+      // No filter for a missing title/url here (unlike marmiton.ts/
+      // the-meal-db.ts, which drop entries with a null field from a
+      // structured API response) — `extractRecipeCards`' own regex requires
+      // at least one character for both, so there's no "absent field" shape
+      // to guard against.
+      const items: RecipeSourceListItem[] = extractRecipeCards(html).map((card) => ({
+        externalId: card.url,
+        title: card.title,
+        picture: card.image,
+        url: card.url,
+      }));
+
+      return { items, nextCursor: null };
+    } catch (err) {
+      // Rethrown as-is (already keyed "750g" by whichever branch above
+      // threw it) — this adapter's only caller (`sources.service.ts`)
+      // already handles/logs failures centrally; this method just isn't
+      // allowed a bare `async` body without a try/catch per the repo's
+      // convention. Same reasoning as `marmiton.ts`/`json-ld-recipe.ts`.
+      throw err;
+    }
+  },
+
+  // `externalId` est directement l'URL canonique de la recette sur
+  // 750g.com (renvoyée telle quelle par `list()` ci-dessus) — même
+  // convention que `jsonLdRecipeAdapter.fetchDetail`, à qui cette méthode
+  // délègue entièrement : la réparation du JSON-LD (voir
+  // `sanitizeJsonLdBlocks`) n'a lieu qu'à l'étape `parse()`, pas ici.
+  async fetchDetail(externalId: string): Promise<{ html: string; url: string }> {
+    try {
+      return await jsonLdRecipeAdapter.fetchDetail(externalId);
+    } catch (err) {
+      // Pas un simple re-throw : `rekeySourceError` est le traitement utile
+      // que ce point d'appel doit faire de l'erreur (relabelliser sa
+      // `sourceKey`), conformément à la convention await/try-catch du repo.
+      throw rekeySourceError(err);
+    }
+  },
+
+  parse(raw: { html: string; url: string }): ParsedRecipe {
+    try {
+      const sanitizedHtml = sanitizeJsonLdBlocks(raw.html);
+      const parsed = jsonLdRecipeAdapter.parse({ html: sanitizedHtml, url: raw.url });
+      return decodeParsedRecipeText(parsed);
+    } catch (err) {
+      throw rekeySourceError(err);
+    }
+  },
+};
diff --git a/apps/api/src/sources/index.ts b/apps/api/src/sources/index.ts
index 7148b59..4e79275 100644
--- a/apps/api/src/sources/index.ts
+++ b/apps/api/src/sources/index.ts
@@ -1,12 +1,14 @@
 import { registerRecipeSource } from "../lib/recipe-sources/recipe-source-registry.js";
+import { sevenFiftyGAdapter } from "./750g.js";
 import { marmitonAdapter } from "./marmiton.js";
 import { theMealDbAdapter } from "./the-meal-db.js";
 
 /**
  * Registers every concrete, *browsable* `RecipeSourceAdapter` this app
  * ships with into the shared in-memory registry (`recipe-source-registry.ts`)
- * — `theMealDbAdapter` and `marmitonAdapter`. Called once, explicitly, by
- * the two real entry points that need the registry populated:
+ * — `theMealDbAdapter`, `marmitonAdapter` and `sevenFiftyGAdapter`. Called
+ * once, explicitly, by the two real entry points that need the registry
+ * populated:
  *
  * - `server.ts` — the running API process, before it starts listening.
  * - `prisma/seed.ts` — so `syncRecipeSources` has something to mirror into
@@ -26,12 +28,13 @@ import { theMealDbAdapter } from "./the-meal-db.js";
  * specialized per scraped website, not a household-toggleable `Source` in
  * its own right: nobody can meaningfully "trust" or "enable" a generic
  * parsing mechanism the way they can a named website. `marmitonAdapter`
- * (marmiton.ts) is exactly that specialization for marmiton.org — the
- * first concrete adapter built on top of it, per its own doc comment's
- * anticipation ("a concrete adapter for a specific site would use it
+ * (marmiton.ts) and `sevenFiftyGAdapter` (750g.ts) are exactly that
+ * specialization, one per site — the concrete adapters its own doc comment
+ * anticipated ("a concrete adapter for a specific site would use it
  * internally").
  */
 export function registerAllRecipeSources(): void {
   registerRecipeSource(theMealDbAdapter);
   registerRecipeSource(marmitonAdapter);
+  registerRecipeSource(sevenFiftyGAdapter);
 }
diff --git a/apps/api/src/sources/json-ld-recipe.ts b/apps/api/src/sources/json-ld-recipe.ts
index bc24d38..273152e 100644
--- a/apps/api/src/sources/json-ld-recipe.ts
+++ b/apps/api/src/sources/json-ld-recipe.ts
@@ -182,7 +182,10 @@ function flattenInstructions(instructions: SchemaOrgRecipe["recipeInstructions"]
  * marmiton.org recipe page's JSON-LD is a plain schema.org `Recipe`, nothing
  * site-specific to handle), and it only adds the `list()` this adapter
  * itself can't offer, by reading the separate `ItemList` marmiton.org embeds
- * on its search-results pages.
+ * on its search-results pages. `750g.ts`'s `sevenFiftyGAdapter` follows the
+ * same shape for 750g.com, but its `parse()` wraps this adapter's own
+ * (rather than delegating untouched) to work around two real bugs in that
+ * site's JSON-LD — see that module's doc comment.
  */
 export const jsonLdRecipeAdapter: RecipeSourceAdapter<{
   html: string;
diff --git a/apps/api/test/recipe-sources/750g.test.ts b/apps/api/test/recipe-sources/750g.test.ts
new file mode 100644
index 0000000..a9635da
--- /dev/null
+++ b/apps/api/test/recipe-sources/750g.test.ts
@@ -0,0 +1,294 @@
+import { expect } from "chai";
+import {
+  RecipeSourceFetchError,
+  RecipeSourceParseError,
+} from "../../src/lib/recipe-sources/recipe-source-errors.js";
+import { sevenFiftyGAdapter } from "../../src/sources/750g.js";
+
+/** Stubs `globalThis.fetch` to return `html` as the response body — same pattern as `json-ld-recipe.test.ts`'s `stubFetchHtml`. */
+function stubFetchHtml(html: string, status = 200) {
+  globalThis.fetch = (async () => new Response(html, { status })) as typeof fetch;
+}
+
+const RECIPE_URL = "https://www.750g.com/poulet-au-vin-jaune-et-aux-morilles-r3844.htm";
+
+/**
+ * A raw (not `JSON.stringify`-escaped) JSON-LD `Recipe` payload, deliberately
+ * reproducing two real 750g.com bugs verified live on the recipe this test's
+ * URL/content is modeled after:
+ * - a literal, unescaped `\r\n` inside `recipeInstructions[0].text` (invalid
+ *   JSON as-is — this is exactly what {@link sanitizeJsonLdBlocks} in the
+ *   adapter under test has to repair before `JSON.parse` can succeed);
+ * - `Pr&amp;eacute;parez` — a real "é" that went through 750g's own
+ *   HTML-entity encoder twice (`decodeHtmlEntities` has to run twice to
+ *   fully resolve it back to "é").
+ * Plus a plain `&#039;` apostrophe entity in an ingredient line, the more
+ * common single-encoding case.
+ */
+const RAW_RECIPE_JSON_LD = `{
+  "@context": "https://schema.org",
+  "@type": "Recipe",
+  "name": "Poulet au vin jaune et aux morilles",
+  "description": "Une recette de f\\u00eate.",
+  "image": {"@type": "ImageObject", "url": "https://static.750g.com/images/poulet-vin-jaune.jpg"},
+  "recipeYield": "6 personnes",
+  "recipeIngredient": ["1 poulet fermier", "Sel &#039;fin&#039;"],
+  "recipeInstructions": [
+    {"@type": "HowToStep", "text": "Pr&amp;eacute;parez les morilles :\r\nFendez-les en deux."}
+  ],
+  "url": "${RECIPE_URL}"
+}`;
+
+function htmlWithRawJsonLd(rawJson: string): string {
+  return `<!doctype html><html><head><script type="application/ld+json">${rawJson}</script></head><body></body></html>`;
+}
+
+describe("sevenFiftyGAdapter", () => {
+  let originalFetch: typeof fetch;
+
+  beforeEach(() => {
+    originalFetch = globalThis.fetch;
+  });
+
+  afterEach(() => {
+    globalThis.fetch = originalFetch;
+  });
+
+  it("declares itself as an unofficial, French-locale source with an icon", () => {
+    expect(sevenFiftyGAdapter.key).to.equal("750g");
+    expect(sevenFiftyGAdapter.name).to.equal("750g");
+    expect(sevenFiftyGAdapter.official).to.equal(false);
+    expect(sevenFiftyGAdapter.iconUrl).to.be.a("string");
+    expect(sevenFiftyGAdapter.locale).to.equal("fr");
+  });
+
+  describe("list", () => {
+    /**
+     * Models the real shape found live: a card's own `<img>` sits
+     * immediately before its `<a class="card-link">`, but the fragment also
+     * carries decorative images that belong to no card at all (verified
+     * live: 28 `<img>` tags against 23 real cards for one sample query) —
+     * an image search that isn't "nearest preceding, not naive same-index
+     * zip" would misattribute every card after the first stray image.
+     */
+    const CARDS_HTML = `
+      <div class="grid">
+        <img src="https://static.750g.com/images/x/orphan-lead.jpg" class="decorative" />
+        <div class="card">
+          <img src="https://static.750g.com/images/x/tarte.jpg" alt="Tarte" />
+          <a href="https://www.750g.com/tarte-aux-pommes-r1.htm" class="card-link ">Tarte aux pommes</a>
+        </div>
+        <img src="https://static.750g.com/images/x/orphan-mid-1.jpg" class="decorative" />
+        <img src="https://static.750g.com/images/x/orphan-mid-2.jpg" class="decorative" />
+        <div class="card">
+          <img src="https://static.750g.com/images/x/gratin.jpg" alt="Gratin" />
+          <a href="https://www.750g.com/gratin-dauphinois-r2.htm" class="card-link ">Gratin dauphinois</a>
+        </div>
+        <div class="card">
+          <a href="https://www.750g.com/pain-perdu-r3.htm" class="card-link ">Pain perdu</a>
+        </div>
+      </div>
+    `;
+
+    it("scrapes each card's title/url/image, matching each image to its nearest preceding link and ignoring orphan images", async () => {
+      stubFetchHtml(CARDS_HTML);
+
+      const result = await sevenFiftyGAdapter.list({ query: "tarte" });
+
+      expect(result.items).to.deep.equal([
+        {
+          externalId: "https://www.750g.com/tarte-aux-pommes-r1.htm",
+          title: "Tarte aux pommes",
+          picture: "https://static.750g.com/images/x/tarte.jpg",
+          url: "https://www.750g.com/tarte-aux-pommes-r1.htm",
+        },
+        {
+          externalId: "https://www.750g.com/gratin-dauphinois-r2.htm",
+          title: "Gratin dauphinois",
+          picture: "https://static.750g.com/images/x/gratin.jpg",
+          url: "https://www.750g.com/gratin-dauphinois-r2.htm",
+        },
+        {
+          externalId: "https://www.750g.com/pain-perdu-r3.htm",
+          title: "Pain perdu",
+          picture: null,
+          url: "https://www.750g.com/pain-perdu-r3.htm",
+        },
+      ]);
+    });
+
+    it("decodes HTML entities in a card's title", async () => {
+      stubFetchHtml(
+        `<a href="https://www.750g.com/tarte-r1.htm" class="card-link ">Tarte aux pommes &#039;reinettes&#039;</a>`,
+      );
+
+      const result = await sevenFiftyGAdapter.list({ query: "tarte" });
+
+      expect(result.items[0]?.title).to.equal("Tarte aux pommes 'reinettes'");
+    });
+
+    it("always returns nextCursor: null — this search isn't really paginated (requesting a further page comes back empty)", async () => {
+      stubFetchHtml(CARDS_HTML);
+
+      const result = await sevenFiftyGAdapter.list({ query: "tarte" });
+
+      expect(result.nextCursor).to.be.null;
+    });
+
+    it("ignores params.cursor and always requests page=1 — there's never a legitimate cursor to pass back", async () => {
+      let requestedUrl: string | undefined;
+      globalThis.fetch = (async (url: string) => {
+        requestedUrl = url;
+        return new Response("", { status: 200 });
+      }) as typeof fetch;
+
+      await sevenFiftyGAdapter.list({ query: "tarte", cursor: "7" });
+
+      expect(requestedUrl).to.include("page=1");
+      expect(requestedUrl).not.to.include("page=7");
+    });
+
+    it("URL-encodes the query", async () => {
+      let requestedUrl: string | undefined;
+      globalThis.fetch = (async (url: string) => {
+        requestedUrl = url;
+        return new Response("", { status: 200 });
+      }) as typeof fetch;
+
+      await sevenFiftyGAdapter.list({ query: "tarte aux pommes" });
+
+      expect(requestedUrl).to.include("query=tarte%20aux%20pommes");
+    });
+
+    it("throws RecipeSourceFetchError on a non-2xx response", async () => {
+      stubFetchHtml("", 500);
+
+      try {
+        await sevenFiftyGAdapter.list({ query: "x" });
+        expect.fail("expected list to throw");
+      } catch (err) {
+        expect(err).to.be.instanceOf(RecipeSourceFetchError);
+        expect((err as RecipeSourceFetchError).sourceKey).to.equal("750g");
+      }
+    });
+
+    it("throws RecipeSourceFetchError when the network request itself fails", async () => {
+      globalThis.fetch = (async () => {
+        throw new Error("network down");
+      }) as typeof fetch;
+
+      try {
+        await sevenFiftyGAdapter.list({ query: "x" });
+        expect.fail("expected list to throw");
+      } catch (err) {
+        expect(err).to.be.instanceOf(RecipeSourceFetchError);
+        expect((err as RecipeSourceFetchError).cause).to.be.instanceOf(Error);
+      }
+    });
+  });
+
+  describe("fetchDetail", () => {
+    it("fetches the given recipe URL and returns its html alongside the url", async () => {
+      stubFetchHtml(htmlWithRawJsonLd(RAW_RECIPE_JSON_LD));
+
+      const result = await sevenFiftyGAdapter.fetchDetail(RECIPE_URL);
+
+      expect(result.url).to.equal(RECIPE_URL);
+      expect(result.html).to.include("Poulet au vin jaune");
+    });
+
+    it("throws a RecipeSourceFetchError keyed to 750g, not the underlying generic adapter", async () => {
+      stubFetchHtml("", 404);
+
+      try {
+        await sevenFiftyGAdapter.fetchDetail(RECIPE_URL);
+        expect.fail("expected fetchDetail to throw");
+      } catch (err) {
+        expect(err).to.be.instanceOf(RecipeSourceFetchError);
+        expect((err as RecipeSourceFetchError).sourceKey).to.equal("750g");
+      }
+    });
+  });
+
+  describe("parse", () => {
+    it("repairs a raw unescaped \\r\\n inside a JSON-LD string that would otherwise fail JSON.parse", () => {
+      const parsed = sevenFiftyGAdapter.parse({
+        html: htmlWithRawJsonLd(RAW_RECIPE_JSON_LD),
+        url: RECIPE_URL,
+      });
+
+      expect(parsed.name).to.equal("Poulet au vin jaune et aux morilles");
+      expect(parsed.steps).to.deep.equal([
+        { description: "Préparez les morilles :\r\nFendez-les en deux.", picture: null },
+      ]);
+    });
+
+    it("decodes a double HTML-entity-encoded accented character (é -> &eacute; -> &amp;eacute;)", () => {
+      const parsed = sevenFiftyGAdapter.parse({
+        html: htmlWithRawJsonLd(RAW_RECIPE_JSON_LD),
+        url: RECIPE_URL,
+      });
+
+      expect(parsed.steps[0]?.description).to.include("Préparez");
+    });
+
+    it("decodes a plain numeric apostrophe entity in ingredient text", () => {
+      const parsed = sevenFiftyGAdapter.parse({
+        html: htmlWithRawJsonLd(RAW_RECIPE_JSON_LD),
+        url: RECIPE_URL,
+      });
+
+      expect(parsed.ingredients).to.deep.equal([
+        { rawText: "1 poulet fermier", quantity: null, unit: null, name: "1 poulet fermier" },
+        { rawText: "Sel 'fin'", quantity: null, unit: null, name: "Sel 'fin'" },
+      ]);
+    });
+
+    it("leaves picture/sourceUrl untouched by entity decoding", () => {
+      const parsed = sevenFiftyGAdapter.parse({
+        html: htmlWithRawJsonLd(RAW_RECIPE_JSON_LD),
+        url: RECIPE_URL,
+      });
+
+      expect(parsed.picture).to.equal("https://static.750g.com/images/poulet-vin-jaune.jpg");
+      expect(parsed.sourceUrl).to.equal(RECIPE_URL);
+    });
+
+    it("maps a recipe with no quirks end to end, same as the generic adapter would", () => {
+      const clean = {
+        "@context": "https://schema.org",
+        "@type": "Recipe",
+        name: "Tarte aux pommes",
+        description: "Une tarte classique.",
+        image: "https://static.750g.com/images/tarte.jpg",
+        recipeYield: 6,
+        recipeIngredient: ["3 pommes", "1 pâte brisée"],
+        recipeInstructions: ["Éplucher les pommes.", "Enfourner 30 minutes."],
+      };
+      const html = `<!doctype html><html><head><script type="application/ld+json">${JSON.stringify(
+        clean,
+      )}</script></head><body></body></html>`;
+
+      const parsed = sevenFiftyGAdapter.parse({ html, url: RECIPE_URL });
+
+      expect(parsed.name).to.equal("Tarte aux pommes");
+      expect(parsed.portions).to.equal(6);
+      expect(parsed.steps).to.deep.equal([
+        { description: "Éplucher les pommes.", picture: null },
+        { description: "Enfourner 30 minutes.", picture: null },
+      ]);
+    });
+
+    it("throws a RecipeSourceParseError keyed to 750g, not the underlying generic adapter", () => {
+      const html = "<!doctype html><html><body>Pas de JSON-LD ici</body></html>";
+
+      try {
+        sevenFiftyGAdapter.parse({ html, url: RECIPE_URL });
+        expect.fail("expected parse to throw");
+      } catch (err) {
+        expect(err).to.be.instanceOf(RecipeSourceParseError);
+        expect((err as RecipeSourceParseError).sourceKey).to.equal("750g");
+      }
+    });
+  });
+});
diff --git a/apps/api/test/sources/sources-index.test.ts b/apps/api/test/sources/sources-index.test.ts
index caf8cb6..a13f43d 100644
--- a/apps/api/test/sources/sources-index.test.ts
+++ b/apps/api/test/sources/sources-index.test.ts
@@ -25,6 +25,24 @@ describe("registerAllRecipeSources", () => {
     expect(listRecipeSources().map((adapter) => adapter.key)).to.include("theMealDb");
   });
 
+  it("registers Marmiton into the shared registry", () => {
+    registerAllRecipeSources();
+
+    const marmiton = getRecipeSource("marmiton");
+    expect(marmiton).to.not.be.undefined;
+    expect(marmiton?.name).to.equal("Marmiton");
+    expect(listRecipeSources().map((adapter) => adapter.key)).to.include("marmiton");
+  });
+
+  it("registers 750g into the shared registry", () => {
+    registerAllRecipeSources();
+
+    const sevenFiftyG = getRecipeSource("750g");
+    expect(sevenFiftyG).to.not.be.undefined;
+    expect(sevenFiftyG?.name).to.equal("750g");
+    expect(listRecipeSources().map((adapter) => adapter.key)).to.include("750g");
+  });
+
   it("does not register the generic JSON-LD adapter — it's not a household-toggleable source in its own right", () => {
     registerAllRecipeSources();