2 oz of Light Rum
1 tbsp of Lemon Juice
1 tbsp of Lime Juice
1 tbsp of Passion-fruit Syrup
1 of cherry
Combine all ingredients (except cherry) with 1 cup of crushed ice in an electric blender. Blend at a low speed for a short length of time. Pour into an old-fashioned glass, add the cherry on top, and serve.
Garnish with luxardo maraschino cherry.