For the dough: Raw yolks with the sugar is broken foam. Add the grated chocolate and starch. Divide the mixture in half. In one part add the ground walnuts, and the other ground almonds. A thick dough. Add equally shattered solid whites, as the mixture is stirred with a spatula gently. In forms with a diameter of 20 cm, covered with paper or pastry spread with butter and sprinkled with flour pour dough. baked both the base in a preheated oven at 160C for 30-40 minutes, until the surface is red, or until firm. The filling is prepared as follows: The butter with the sugar beat to a foam. Add one by one the ingredients: powdered cooked yolks, melted chocolate, ground almonds, rum and sour cream, stirring to obtain a cream. Queuing up base, cream, base, cream. melted chocolate, add the pieces of butter, stir vigorously and spoon by spoon, add the warm milk. Glaze the cake is thus obtained with glaze.