Melt the two chocolates in a saucepan.
Separate the white from the egg yolk. Then, incorporate the yolk into the melted chocolate.
Beat the egg whites until stiff and the cream separately.
Mix the chocolate and egg yolk mixture with the whipped cream. Then add the stiff egg whites.
Pour the choclate mousse into 6 cups and place it in the fridge for min. 3 hrs.