You are here: Home » Recipes » Chunky Watermelon Lemonade Chunky Watermelon Lemonade Recipe by National Watermelon Promotion Board Yield 2 to 3 servings A refreshing new take on lemonade blends watermelon puree into the mix. National Watermelon Promotion Board PrintEmail Ingredients 2 cups water 1/3 cup raw sugar2 cups seedless watermelon puree1 fresh lemon, sliced thinly1/4 cup lemon juice1 teaspoon vanilla extract2 cups chopped seedless watermelon flesh (optional) Instructions In a half-gallon pitcher with lid, mix 1 cup of the water with the sugar until the sugar is completely dissolved. Stir in the rest of the water, watermelon puree, sliced lemon, lemon juice and vanilla extract. Stir to mix well and chill thoroughly. For chunky watermelon lemonade, stir in the 2 cups of chopped watermelon at the end.