For the birthday cake wine barrel beat the eggs, powdered sugar and vanilla sugar until foamy. Then stir in the oil and eggnog alternately. Sift flour with cocoa and baking powder and stir in.
Pour the batter into 2 16 cm diameter cake pans and 2 18 cm diameter cake pans and bake at 180 degrees. Allow to cool and cut through 1 time each.
For the ganache, bring the whipped cream to the boil and remove from the oven, melt the chocolate in it. Chill the ganache for a few hours.
Fill each cake with ganache and assemble as follows: Small cake – large cake – large cake – small cake. Refrigerate cake for 1 hour and then carve into a barrel, spread with ganache.
Knead chocolate fondant until soft, cut into strips and cover the barrel with it. Decorate the birthday cake wine barrel with decorative parts planchet, grapes and leaves .