Boston Cooler
The Boston Cooler is a straightforward rum-based cooler mixing Old Mr. Boston Imported Rum with carbonated water and powdered sugar for a light, refreshing drink.

Total
5 minServings
4Difficulty
MediumEst. Cost
$10–$16Recipe Source
View original recipeFrom Mr. Boston Drinks · by Old Mr. Boston De Luxe Official Bartender's Guide
Ingredients
- 1 tsp Powdered Sugar
- 2 oz Carbonated Water
- 2 oz Old Mr. Boston Imported Rum










