1 1/2 oz. Lime Juice - (more)
1 1/2 oz. White Rum - (more)
1 Banana - (more)
1 tsp. Sugar - (more)
1 tbsp. Triple Sec - (more)
Blend with 1 cup of ice at a low speed for five seconds and then at a high speed until firm. Pour into a champagne flute. Garnish with a cherry.