Yield: 4 servings (about 5 cups).
1 container (6 oz.) frozen lemonade or limeade concentrate, unthawed
2 cups fresh blueberries
2 cups watermelon cubes, seeds removed
1 cup ice cubes
In a blender container, combine lemonade concentrate, blueberries and watermelon. Puree until very smooth. Add ice cubes; blend until mixture is slushy. Add sugar if needed.
U.S. HIGHBUSH BLUEBERRY COUNCIL