Eight eggs , sugar and vanilla crash. To the resulting mixture, the flour is mixed with baking powder and soda. The mixture is divided into three identical bowls in one is added to cocoa brown base, others remain yellow. The bases are baked one by one in a baking dish, which was previously oiled and covered with flour. The cream is prepared as 900 ml milk is placed in a pot on the stove to boil with the sugar and vanilla. Then, a stream is added prior beat egg yolks with the flour and 100 ml milk, stirring constantly. Finally, put the butter. Leave the cream has cooled down. alternating the bases yellow, brown, yellow and put on each base cream. Decorate the cake with grated chocolate and walnuts.