Grand Marnier Hot Chocolate

1 cup half and half
2 cups milk
1/2 cup orange juice
6 oz bittersweet chocolate
1/3 cup Grand Marnier

Stir together half and half, milk, and orange juice in a saucepan, and heat until almost boiling. Grate or chop chocolate and add to the hot milk mixture, stirring constantly. Whisk until thick and smooth.

Continue simmering for about another minute. Remove from heat and stir in Grand Marnier right before serving.