1. This recipe is really variable with how sweet the watermelons are. Adjust lime juice and honey to the desired taste. 2. Cut up watermelon and scoop out red flesh into a blender until full. Blend on high. Repeat if needed to reach 5 cups juice. 3. Add lime juice. 4. Chill. 5. Kids: Serve over ice and (optionally) top with ginger ale. 6. Adults: Serve over ice and top with Moscato.