Stir in heavy cream eggs, sugar and vanilla. Add the chocolate spread, as we continue to break up the mixture until smooth. Add the melted and cooled butter. Then gradually add the flour and finally ground walnuts. Bake in a baking dish or pan with a diameter of 28 cm greased and floured 200 C to mode. The cake can be made with one or two the base. Amounts reported for one. Soaked gelatin in 1/2 cup water to swell. After it was thawed in a water bath. Cream mix with powdered sugar and add the cooled gelatine and start whipping cream to thicken. In a baking dish suitable dish is placed one base and slightly moist with syrup made from sugar, water and rum flavoring. We cover the base with 1/3 of cream spread and put second base. It also slightly syrupy. Cover with remaining cream and smoothing. Decorate the top with cocoa or grated chocolate. Second base the chocolate spread can be white to get lighter base. Of good and evil cut the circle of paper and in the middle emerged and cut in two. In one part we do in the middle and small Cragg also cut off. Cropped circle is used for white side on the cake. The other part of the hole impose on one side of the cake and with strainer dusting the uncovered portion of cake which we put the little cut circle. Once we dusted well removed the template carefully. You can sprinkle with grated chocolate.