Enjoy the sweet taste, hydration, and healthy upsides to watermelon in this easy blender juice. It can be whizzed up in seconds and stashed in the fridge. Be sure to give it a stir before serving. Alternatively, turn it into a refreshing cocktail by combining 3/4 cup watermelon juice, 1 ounce tequila, mezcal, gin, vodka, 2 teaspoons lime juice, and pour over ice.
Put the watermelon in a blender and run until blended and smooth. If the juice is really sweet, add lime juice, if desired. Pour into a pitcher and refrigerate until cold.