1. Place watermelon cubes in a single layer in an extra-large zip-top plastic freezer bag, and freeze 8 hours. Let stand at room temperature 15 minutes.
2. Process half each of watermelon, ginger ale, water, and limeade concentrate in a blender until smooth; pour mixture into a pitcher. Repeat procedure with remaining half of ingredients; stir into pitcher, and serve immediately.
Honeydew Cooler: Substitute 8 cups (1/2-inch) honeydew melon cubes for watermelon cubes and 1 (6-oz.) can frozen lemonade concentrate for limeade concentrate; proceed as directed.
Per (1-cup) serving: Calories 118; Fat 0.3g (sat 0.1g, mono 0g, poly 0.1g); Protein 1g; Carb 30g; Fiber 1.4g; Chol 0mg; Iron 0.4mg; Sodium 36mg; Calc 15mg.
Cantaloupe Cooler: Substitute 8 cups (1/2-inch) cantaloupe cubes for watermelon, and add 2 tsp. grated fresh ginger to mixture in blender. Proceed as directed.
Per (1-cup) serving: Calories 117; Fat 0.3g (sat 0.1g, mono 0g, poly 0.1g); Protein 1.4g; Carb 29g; Fiber 0.1g; Chol 0mg; Iron 0.5mg; Sodium 32mg; Calc 19mg.