Butter sponge cake
The Spanish Genoese cake: butter and sugar beaten together until light, then mixed with egg yolks, flour with baking powder, and finally folded in whipped…
The flour weighs the same as the eggs, and the sugar weighs two-thirds of that weight.
Ingredients and directions
- Prep time20 min
- Cook time45 min
- Resting20 min
- Total1 hr 25 min
- DifficultyEasy
- CostBudget
- Cooking methodfour
- Estimated cost$2.48 $0.41 / serving Estimated price; varies by store. Converted from euros at the ECB rate of October 15, 2026.
- Vegetarian
Ingredients
people
- $1.20
- $0.20
- $0.07
- $0.92
- $0.09
Prices from US supermarkets for 4 of 5 ingredients; Belgian prices for the rest.
Directions
- Whip the butter and sugar together until you have a pale yellow, doubled-in-volume mixture. ≈ 4 min
- Separate the egg whites and yolks. Whisk the yolks until light and fluffy, then fold them into the butter cream. ≈ 4 min
- Mix the flour and yeast together, sift them, and then pour them into the dough in a thin stream, gently incorporating them. ≈ 4 min
- Whip the egg whites to stiff peaks and gently fold them into the mixture, using circular motions, without deflating the batter. ≈ 10 min
- Grease a baking dish, line the bottom with greased parchment paper, and pour in the batter. Bake for at least 45 minutes in a preheated oven at 180 °C.
- Let it cool before serving.
The bill
Butter sponge cake
- 3 eggs$1.20
- Their weight in flour (approximately 150 g)$0.20
- Two-thirds of their weight is sugar (approximately 100g).$0.07
- 100 g of butter, plus a little extra for the mold$0.92
- 1 package of baking powder$0.09
Total$2.48
that's $0.41 per person
Estimated price; varies by store.
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