Watermelon Cooler

1 1/2 cups cubed, seeded watermelon
Juice of 1 lime
1 teaspoon granulated sugar
Mint sprigs (for garnish)

Place watermelon, lime juice and sugar in a blender and process at high speed until smooth. Fill a 12-ounce glass with ice cubes; pour watermelon mixture over the ice and garnish with mint.

Makes 1 serving.