Melt butter and allow to cool to room temperature. Beat eggs with sugar until fluffy mass.

Spread sour cream. Whip 15-20 seconds. Add the cocoa and melted butter, and then stir for a few seconds.

Add baking powder and flour. Beat with a mixer the dough is not more than 1 minute. Put the dough in the form greased with vegetable oil. Let us cheesecake layer: spread a Cup of cottage cheese, egg, sugar and pudding. Beat with a mixer until cheese is smooth ground, flat and smooth. Anyone have a dry pudding, can be replaced by 1 g of vanilla and 2 tbsp of starch.

Cottage cheese to put on top of chocolate dough and flatten with a spoon. Send a cake in the oven at 160-170 grams for 50-60 minutes. Anything to stir and "agitate" the layers is not necessary. in the baking process, the curd will make a beautiful action and will penetrate the chocolate dough, leaving a beautiful pattern. The finished cake to cool and sprinkle with powdered sugar.