Bake a black cake. Before kneading the dough, mix the flour, cocoa powder and starch. The rest as white.

Black cake.

Bake white cake. Pears wash, peel, freed from seeds, cut into cubes, sprinkle with cinnamon, mix well. Proteins separated from the yolks. Beat the yolks with sugar. Beat with a mixer or spoon until a homogeneous lush mass, to mix with the pears, add the flour and separately beaten egg whites, all quickly stir, pour into mold (or pan), greased with softened butter and sprinkled with breadcrumbs. The combination of the primary light biscuit and sponge cake with cocoa, you can get the original color of the product.

Baked two layers. Now the cream layer. Put the saucepan with sour cream in cold water on the ice and whip the cream with a whisk until a thick lush foam, which must be kept on a raised broom. Sift powdered sugar mix with vanilla sugar and whisk to mix with whipped cream. Cakes cut into serving pieces. Down to put a black cake, coat with cream, put the white portion of the piece, a little fluff and decorate with Mandarin (or to taste). Bon appetit.