Never miss a beat Enter your email to subscribe Subscribe I understand that by providing my email address, I agree to receive emails from UPMC. I understand that I may opt out of receiving such communications at any time. Nutrition Video: Fresh and Fruity Watermelon Slush Recipe By UPMC, August 31, 2017 This simple slushie looks as vibrant as it tastes. Make it yourself by blending ripe watermelon and freezing your puree overnight. For an extra kick of flavor, we added lime juice, basil, and mint to our version. Watermelon Slush Recipe Cooking Time: 10 MinutesRecipe Serves: 1 Ingredients Ripe watermelon Lime Mint Basil Instructions Puree watermelon in blender. Pour puree into container. Freeze overnight. Chop with spoon or fork. Add lime juice to frozen puree. Garnish and serve.