Gypsy Arm with Chocolate Coverage 🥧👨🏼‍🍳

Ingredients:
– 4 yolks
– 135 g of sugar
– 1 Teaspoon vanilla extract
– 40 g of melted butter
– 135 g of all-purpose wheat flour
– 15 g bitter cocoa
– 1 teaspoon baking powder
– 1/4 teaspoon salt
– 4 egg whites
*For the vanilla cream
– 300 cc of milk cream
– 60 g of powdered sugar
– 1 Teaspoon vanilla extract
*To cover
– 70 g of butter
– 210 g of 60% cocoa chocolate