Raspberry Watermelon Slush
["1 c. frozen raspberries", "1 c. watermelon, seeded", "1 c. lemon-lime seltzer", "1 Tbsp. sugar"]
["In blender or food processor, mix all ingredients thoroughly. Serve immediately.", "Makes 2 servings."]
["frozen raspberries", "watermelon", "lemon-lime seltzer", "sugar"]