My recipe is simple: mix all the ingredients and knead the dough. But I do so... RUB the eggs with sugar. Add sour cream, to disturb until the sugar has dissolved. Then pour in the melted margarine. Add soda, flour and knead the dough. It has the consistency is obtained as thick cream.

Divide the dough into 2 equal parts. One added instant coffee (crushed to a powder) and a banana (chopped in blender). Going to bake 4 Korzh: 2 coffee, 2 with banana flavor.

Bake in a preheated oven to 190 degrees - 15 min.

Now for the cream. Grind sugar with yolks, add milk and vanilla sugar. The mixture cook, stirring, until boiling. Cool. Separately, beat butter and continue beating, add the cooled butter mixture.

Korzhi fluff cream (to better soaked I make cuts with a knife), to connect. Folding in the following sequence: coffee, banana... And in the fridge to soak for 2-3 hours (better overnight). This time I decided to decorate the cake, as the occasion special. Poured the cake chocolate glaze: 100 gr. chocolate melted in a water bath, added 4 tbsp milk. Decorated with roses from mastic, mastic in this recipe http://www.povarenok.ru/recipes/show/53076/ A the principle of production of roses here http://www.povarenok.ru/recipes/show/21343 the Inscription made of icing.