How can I do?

Preheat oven to 180 ° C (gas. 4).

Mix the cocoa and a little hot water in a bowl to form a paste.

In a bowl, beat butter, cocoa, sugar, vanilla, eggs, flour, yeast and milk until a creamy mixture.
Lift 1 tablespoon of dough on top of the bowl, add a little with a spoon: When the dough pulls easily from a spoon, a little milk, try again.

Divide the dough in the boxes, bake 10-15 min: Cake must be properly inflated, soft to the touch.
Let cool on rack boxes.

Cut a thin slice on top of cake, by Request new cut each cake 1 c. Butter cream to pink, plant half slices like butterfly wings.
Sprinkle with powdered sugar.

Ingredients:

• 20 g of pure cocoa powder
• 110g butter, softened
• Sugar 110 g
• 2 eggs
• 1.2 cup of coffee vanilla extract
• 1 cup chopped milk (or more)
• 110g flour with baking powder
• 1 cup teaspoon baking powder
• Powdered sugar
• Buttercream

Total time: Preparation + Cooking time: 0 min