Rich Creamy Chocolate Moussee

I made this for my black forest gateaux filing. It was rich and creamy. I used this to pipe in between gateaux but this could also be served just like that. The ingredients I used were:

Fresh cream
Icing sugar 
Cooking dark/milk Chocolate (Sweetened/unsweetened)
Vanilla Essence

Another variation could be adding white coking chocolate instead of dark chocolate. Then it would be White Chocolate Mousse.