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30 June 2026

Authentic Gâteau Breton with Semi-Salted Butter

You know what we cook when we finally have a quiet Saturday morning? Something simple that smells of warm butter, which stays good until Monday. Gâteau Breton isn’t a spectacular recipe — it’s an honest recipe.

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Authentic Gâteau Breton with Semi-Salted Butter
Prep Time
20 minutes
Cook Time
45 minutes
Total Time
1 hour 35 minutes
Servings
8 to 10 servings

Ingredients :

  • Semi-salted butter — This is what makes the flavor, really everything. No question of using unsalted butter here — the salt in the butter creates that sweet-salty contrast that makes the cake addictive. Use good quality: Bordier if you want to treat yourself, Paysan Breton otherwise. Most importantly, take it out of the fridge at least two hours before starting.
  • Egg yolks — Five yolks for a single cake is a lot. But that’s exactly what gives the crumb its golden yellow color and its fatty richness in the mouth. Keep the whites in the fridge — they make excellent meringues or an omelet for the next day.
  • Flour — T45 or T55, nothing special. Weighing it correctly really changes the result: too much flour and the cake turns into a dry brick. Sift it if you can; it incorporates much better into the dough.
  • Vanilla sugar — A store-bought packet works well. If you have pure vanilla extract or a bean, it’s even better — synthetic vanilla is less noticeable in a cake so heavily loaded with butter.
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