Watermelon Coconut Margarita Source: Chef Harry Schwartz for the National Watermelon Promotion Board - used with permission 2 cups seeded watermelon chunks 2 ounces coconut flavored rum 1/2 cup shredded coconut juice from 1 fresh lime 1 cup ice Place all ingredients in a blender and blend until smooth. Pour into a sugar-rimmed glass. Serves 1.