The Boston Cooler is a light, citrus-forward rum cocktail combining fresh lemon juice, powdered sugar, and club soda for a refreshing, bubbly drink. It's simple to prepare and perfect for casual entertaining.
Recipe Source
Visit Mr. Boston DrinksFrom Mr. Boston Drinks · by Mr. Boston Official Bartender's and Party Guide
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Into collins glass, pour lemon juice, sugar, and 2 oz.
club soda, stir.
Fill glass with cracked ice and add rum.
Fill with club soda or ginger ale and stir again.
Add spiral of orange or lemon peel and dangle end over rim of glass.
Serve immediately after preparing. Pre-mix the rum, lemon juice, and sugar up to 2 hours ahead, then add carbonation and ice just before serving.
Yes, fresh lemon juice is preferred and will give you a brighter, more authentic flavor than bottled juice.
Club soda keeps the drink crisp and neutral, while ginger ale adds subtle spice and sweetness. Choose based on your preference.
Mix the rum, lemon juice, and powdered sugar ahead, then add club soda or ginger ale and ice just before serving to maintain carbonation.
Light or white rum is traditional for this cocktail, though aged rum can work if you prefer deeper flavor.
Stir the powdered sugar with the lemon juice and rum first, then add the club soda last to avoid over-mixing and losing carbonation.
