Ingredients:
1 1/2 oz Light rum 1 tblsp Triple sec 1 Banana 1 1/2 oz Lime juice 1 tsp Sugar 1 Cherry

Instructions:
Combine all ingredients (except for the cherry) with 1 cup crushed ice in an electric blender. Blend at a low speed for five seconds, then blend at a high speed until firm. Pour contents into a champagne flute, top with the cherry, and serve.