Beat eggs with powdered sugar, add them soft butter and milk. In a separate bowl mix the flour with the baking powder, vanilla and cocoa. Stir well dry mixture and add it to the egg. Pour the mixture into a greased baking pan 24 cm diameter. Will be easier if you use baking paper on the bottom of the tray. Of products are obtained three the base, as well the bases to bake one at a time as products only 1 base are: 60 g butter, 1 egg, 50 g of powdered sugar, 125 g of flour, 50 ml milk, 25 g cocoa, 5 g baking powder and vanilla. For the lilies: For banana cream Mash the bananas with a fork or blend them. Add them to the shattered cream. For the chocolate cream - Break the chocolate and melt the water bath. Whipped cream and mix well with chocolate. Put first base tray and syrupy. Greased with some of the chocolate cream. In desired on cream can order the banana slices. Put second base, again syrup and spread with banana cream. Then ending with the last base, as syrupy him. Spread with chocolate cream cake and decorate all optional.