Level of difficulty Easy
Preparation time 30mins
Cost Budget Friendly
Prepare the chocolate mousse: Melt the chocolate in a double boiler with the 100% cocoa powder and the butter. In a bowl, add the melted chocolate, 3 egg yolks, vanilla sugar and sugar.
Beat the whites until stiff. Add to the previous mixture.
Place the chocolate mousse in the fridge for 2-3 hours or longer if possible.
In a charlotte cake tin, place the biscuits in the bottom and the sides, dipping them in coffee beforehand.
Then alternate a layer of chocolate mousse and a layer of biscuits soaked in coffee. Continue until the tin is full. (Cake seen from underneath).