For sponge cake:

● 350 G. of condensed milk,
● 2 eggs,
● 125 g of wheat flour,
● 25 g. cocoa,
● 1 tsp. soda.

For the cream:
● 500 ml milk,
● 150 g sugar,
● 1 egg,
● 70 g flour,
● 25 g of cocoa.

For the glaze:
● 150 g of chocolate,
● 75 ml cream 35% fat.

1. Preheat the oven to 180 degrees.
2. Beat eggs with a mixer until lush light weight, add condensed milk and soda, stir.
3. Add the flour with cocoa and stir (do not beat).
4. Pour the batter in greased with butter a medium baking pan and bake for 25 minutes.
5. Egg shake, mix with milk and flour.
6. Put on low heat and cook, stirring constantly, until thick.
7. Add the cocoa and mix well. Allow to cool.
8. The cooled sponge cake cut into three Korzh.
9. To coat cakes with cream, gathering up the cake and put in the refrigerator for at least 6 hours.
10. Melt the chocolate in cream over low heat and immediately pour them chocolate.

Sour cream cake.