1. In a saucepan, bring the cranberry sauce, cranberry juice and orange peel to a boil; cook and stir until cranberry sauce is melted. Stir in gelatin until dissolved. Refrigerate until mixture is the consistency of egg whites, stirring occasionally.
2. Place a bowl, with mixer beaters in freezer. Chill until very cold. Add milk and vanilla to bowl; beat until soft peaks form. Fold into gelatin mixture. Spoon into parfait glasses. Chill 1-2 hours or until set. Garnish if desired. Yield: 6 servings.