Chocolate Magic Custard Cake - cooking recipe

Ingredients

4 eggs, at room temperature
1 cup sugar
1 teaspoon vanilla extract
110 g butter, melted
1/2 cup all-purpose flour
1/3 cup unsweetened cocoa powder
2 cups milk, lukewarm
1 tablespoon powdered sugar, for dusting

Preparation

Separate egg whites and yolks. Mix and combine flour and cocoa powder.
Whisk egg yolks and sugar for 4 minutes until creamy and pale yellow.
Add melted butter and vanilla extract and mix for half a minute.
Add the flour and unsweetened cocoa powder. Mix with a spatula until incorporated well.
Pour the milk gradually and continue beating.
Beat egg whites in a bowl until stiff and add one third at a time to the cake batter, gently stir with a spatula after each addition. Don't overmix, just stir a few times.
Pour the liquid batter into the 30x17cm baking pan lined with parchment paper and bake for 40-50 minutes.
Let it cool and when it comes to room temperature chill in a refrigerator for an hour. Slice it in the size you like and dust with powdered sugar right before serving.