1 oz of melon liqueur
1/2 oz of Lime Juice
1/2 oz of white rum (or Light Rum)
4 oz of grapefruit juice
2 oz of Orange Juice
1/2 oz of Vodka
Pour all ingredients into a blender half-filled with ice. Blend until thick. Pour into a parfait glass. Garnish with a melon wedge and a maraschino cherry, and serve.