Make a batter from the 2 eggs, 125g butter, 125g sugar, 125g flour, 1 sachet vanilla sugar and 1 sachet baking powder. Bake at 180C for about 20-30 minutes.
Spread 1-2 cups of sour cream on the cooled base. Then spread the drained mandarins on top.
Then whip the 2 cups of cream with the vanilla sugar, cream stiffener and sugar until stiff and fold in the pack of Ce-fresh. Spread the Sahne-Ce-Frisch mass on the sour cream layer.
Spread the grated chocolate over the cake to garnish.