This 1 ingredient watermelon juice is easy and yummy... and comes with 5 optional add-ins to jazz up the flavor.At just 100 calories per serving, this juiced watermelon drink is light and healthy. With no added sugar!Make sure to see above for two yummy watermelon drinks to make with this juice (one's a cocktail!)Special Note: You may get more than 4 cups from this recipe, in fact you likely will. But we wanted to take into account possible straining in serving size. Each serving will be 1/4 of the juice made.