For the base: whisk the eggs, sugar, vanilla sugar and salt together until fluffy.
Sift the corn starch, flour and cocoa powder together and fold into the egg mixture.
Add the oil and mix well.
Fill into a greased cake tin and bake in the preheated oven for approx. 30-35 minutes.
For the dark chocolate cream: whisk the unchilled QimiQ Classic smooth. Add the Philadelphia and the sugar. Fold in the melted chocolate.
For the white chocolate cream: whisk the unchilled QimiQ Classic smooth. Add the Philadelphia. Fold in the melted white chocolate.
Add the eggnog and the orange zest.
Tip: Decorate with fresh berries, mint and marzipan decor.