1 1/2 oz light rum
1 tbsp triple sec
1 1/2 oz lime juice
1 tsp sugar
1 cup crushed ice
1 small banana slice or cherry for garnish
1. Combine all ingredients (except for the garnish) with 1 cup crushed ice in an electric blender.
2. Blend at a low speed for five seconds, then blend at a high speed until firm.
3. Pour contents into a tall glass, garnish with a small banana slice or cherry, and serve.
Makes one cocktail.