Place the 70% Dark Chocolate (6 ounce) into a medium heatproof bowl. In a small heavy-bottomed saucepan, bring the Whole Milk (1/2 cup) just to a boil over medium heat.
Pour the hot milk over the chocolate and leave it to sit for 1 to 2 minutes. Stir with a spatula or a wooden spoon until you have a smooth ganache.
In a small bowl, beat the Greek Yogurt (1 cup) with a small whisk or a fork until smooth.
Fold the yogurt into the chocolate mixture using a spatula until thoroughly combined, then stir in the Honey (1 tablespoon), Grand Marnier (2 tablespoon), Orange Marmalade (3 tablespoon) and Pomegranate Seeds (1/2 cup).
Spoon the mousse into four small or three slightly larger serving cups and chill until firm, covered with plastic wrap.
To serve, add a dollop of Whipped Cream (to taste) and sprinkle with topping of your choice, such as Pomegranate Seeds (to taste) and/or Assorted Nuts (to taste). Enjoy!