Dough
1/2 cup all-purpose flour
1/3 cup unsweetened cocoa powder
1 teaspoon baking powder
5 eggs
Filling
21/2 cups milk
2/3 cup unsweetened cocoa powder
1/2 cup cornstarch
1/4 cup Port wine
2 eggs
For decorating
1/2 cup chopped hazelnuts
Accessory
27 x 40 cm baking sheet
Dough
1/2 cup all-purpose flour
1/3 cup unsweetened cocoa powder
1 teaspoon baking powder
5 eggs
Filling
21/2 cups milk
2/3 cup unsweetened cocoa powder
1/2 cup cornstarch
1/4 cup Port wine
2 eggs
For decorating
1/2 cup chopped hazelnuts
Accessory
27 x 40 cm baking sheet
Dough
Preheat the oven to medium temperature and grease the baking sheet with butter
In a mixer, beat the egg whites until they become fluffy
Add the chocolate powder and mix for another minute
Add the yolks one by one and mix until smooth
Beat until homogeneous
Add the flour sifted with baking powder and mix well
Bake for 30 minutes
Remove from mold and cut into three layers
Filling
Cook the cornstarch, eggs, and milk, stirring until thickened
Remove from heat and add the Port wine
In a mixer, beat the egg whites until they become fluffy
Add the chocolate powder and mix until stiff peaks form
Add the mixture of cornstarch and mix carefully
Alternate layers of cake and filling and finish with the filling
Decorate with chopped hazelnuts
Serve chilled.