HEAT cream in small, heavy-duty saucepan over MEDIUM-HIGH heat; bring just to a boil. Remove from heat. Add chocolate; stir until smooth. Add liqueur and orange peel; mix well.
TRANSFER fondue to fondue pot; place over low heat. To serve, dip marshmallows, fruit, cake and/or pretzels into melted chocolate. Stir often while on heat. Makes 1 1/4 cups.