Bizcocho: A cake of Spanish origin

• 150 gr. of flour
• 100 gr. butter
• 3 eggs
• 150 gr. sugar
• 1 packet of dry yeast

Difficulty : Medium

• Total time : 50 min.
• Cooking: 40 min,
• Preparation 10 min.

1. Mix the softened butter with the sugar.
2. Add the flour, then the yeast, three egg yolks and the lemon zest.
3. Mix well to obtain a smooth paste.
4. Beat the three egg whites until stiff and incorporate them into the dough.
5. Pour the mixture into a baking dish and bake in a hot oven for 40 minutes.
6. Let cool before unmolding.