4 cups cubed seeded watermelon
½ cup water
½ cup white sugar
4 slices lime
24 leaf (blank)s fresh mint leaves
1. Puree the watermelon and water in a blender until smooth. Add sugar to taste. Cut the lime slices in half. Place a half lime slice into each of 8 glasses along with 3 mint leaves.
2. Crush with a cocktail muddler, then fill each glass with ice. Pour in the watermelon agua fresca, and stir before serving.