For a successful chocolate mousse, use very good quality chocolate. Ghirardelli is my favorite and is readily accessible at your grocery store. Do use dark chocolate, ranging from 70% to 74% cocoa content.
Omit the Grand Marnier if you have children around, as the alcohol will not evaporate.
Can be served in individual containers, or pour it into a glass container and scoop out what you desire at serving time
Prepare it beforehand, as the flavors need time to infuse.
Giangi's Kitchen provides nutritional information, but these figures should be considered estimates, as a registered dietician does not calculate them.