Watermelon fresco Instructions: 6 cups coarsely chopped seeded watermelon; 1 cup crushed ice; 1⁄4 cup granulated sugar; 2 tbsp lime juice; 4 lime wedges. In blender, combine watermelon, crushed ice, sugar and lime juice until smooth and frothy. Stir and serve over ice in glasses. Garnish with lime wedges.