RINSE and PICK OVER cranberries.
DRAIN the raspberries' liquid into a measuring cup; ADD enough orange juice to make 1 cup total.
TRANSFER the liquid, the cranberries, raspberries, sugar and orange peel to a saucepan.
Over medium-high heat, BRING mixture to a boil, STIRRING often, until the cranberries "pop," about 10 minutes; STIR well and remove from the heat.
COVER; REFRIGERATE until chilled through, about 3 hours.
SERVE cold or at room temperature.
Per Serving (excluding unknown items): 108 Calories; trace Fat (0.4% calories from fat); trace Protein; 28g Carbohydrate; 1g Dietary Fiber; 0mg Cholesterol; trace Sodium. Exchanges: 0 Fruit; 1 1/2 Other Carbohydrates.