1. Combine the eggs with the sugar, whisk. Add sour cream, baking powder and melted (cooled!!!) butter, beat again

2. 3 tablespoons of flour and put aside, the rest of the sifted, mix well. Divide the dough into two equal parts, one - sift the remaining flour (3 tbsp), the other - cocoa powder, stir until smooth. In a dark part of the test, if desired, add a few drops of black food coloring, stir

3. Further, alternating dark and light batter, spread 1 - 2 tbsp in shape (I have a 22 cm diameter) lined with parchment and greased. So bake two Korzh. The finished cakes allow to cool

4. Meanwhile, prepare the cream: curd interrupting a blender ( or grind through a sieve). Softened butter and beat for 3 - 5 min. To the butter add the cheese, icing sugar, whisk until smooth

6. Collect the cake: each cake, top and sides a good coat of cream. Decorate with strips of sugar mastic. Ready! Bon appetit!!!