1 oz of white rum (or Light Rum)
1/2 oz of Dry Sherry (or fortified wine)
1/2 oz of creme de bananes (or banana liqueur)
1 oz of Pineapple Juice
1 oz of Orange Juice
1/2 oz of Passion-fruit Juice
Shake briefly with a glassful of crushed ice in a double-cocktail glass. Garnish with fruit, and serve.