• 2 ounces light rum
• 2 ounces dark rum
• 1 ounce grenadine, or passion fruit syrup
• 1 ounce fresh orange juice
• 1 ounce sour mix, or fresh lime juice
• 1 teaspoon superfine sugar
• Orange wedges, for garnish

Mix all the ingredients in a cocktail shaker, and shake to dissolve the sugar.
 
Add ice cubes to come halfway up the sides of 2 tall glasses.
 
Divide the mixture between the glasses. Garnish each with an orange wedge and serve with a long straw.
 
Yield: 2 servings