Dark chocolate mousse
With an electrical mixer, mix the whip cream to a hard foam.
Melt the chocolate on low heat in a casserole. Take away the casserole from the heat and let it rest for 10 minutes.
Whip the egg yellows and add the melted chocolate and mix well.
Add the melted chocolate in the whip cream and mix gently. Place in the fridge for 30 minutes.
Milk chocolate mousse
With an electrical mixer, mix the whip cream to a hard foam.
Melt the chocolate on low heat in a casserole. Take away the casserole from the heat and let it rest for 10 minutes.
Whip the egg yellows and add the melted chocolate and mix well.
Add the melted chocolate in the whip cream and mix gently. Place in the fridge for 30 minutes.
Cake
Start the oven at 250 degrees Celsius.
Mix all the ingredients for the cake in a bowl.
Place a baking paper on a baking sheet and spread evenly the batter on the paper. Place in the middle of the oven for 5 minutes.
Take out the cake and let it cool down.
Cut the cake so you have 2 pieces, 1 piece for the bottom, and 1 piece that will cover the cake.
Place the part that will cover the cake in a buche cake form. Spread the milk chocolate mousse on the cake in the form.
Place the bottom on top of the mousse.
Place the form. plate/serving plate that will be used to serve the cake on. Turn the cake up side down.
Spread evenly the dark chocolate mousse over the cake.
Decorate the cake with some Christmas decoration.