Strawberry cake: 3 eggs, 1 tablespoon sugar, vanilla sugar, flour, 250 g strawberries, 100 g butter.
3 whipped egg yolks with sugar, add the softened butter and mix well. Flour connect with baking powder and kneaded with vitelline-oil mixture. Egg whites whipped into a dense stable foam and after already intervened spoon gently into the dough