Chocolate is broken into pieces and melt with a little water in a water bath . Add the butter pieces and 50 g of sugar. The mixture was stirred for 15 minutes, then add the egg yolks, and finally, the beaten egg whites. The resulting mixture was poured into a greased baking dish small butter and allowed December tightening in a refrigerator overnight. The next day is subtracted from the tray and the bottom is dipped in a little hot water. The cream is mixed with 25 g of sugar and vanilla and using a gun to her decorate the entire surface of the cake.