Fubsy Polymath › Recipes › Drink › Agua Fresca, Watermelon Lime Agua Fresca, Watermelon Lime Drink Prep 15 mins Cook 1 hr 15 mins Serves 10 Print / Save as PDF Ingredients 8 cups water, divided 5 cups peeled, cubed, and seeded watermelon ½ cup white sugar, or more to taste ⅓ cup lime juice, or more to taste Directions Combine 1 cup water, watermelon, and sugar in a blender; process until smooth. Pour into a large pitcher; stir in lime juice and remaining 7 cups water. Taste; adjust sugar or lime juice. Refrigerate until chilled, about 1 hour.