Add powdered sugar, mint and lime juice to glass. Mash with a pestle to form a paste and release essential oils of the mint. Add crushed ice on top followed by rum. Cover with shaker and shake vigorously. Top with soda and a straw. Garnish with mint sprig.
This recipe was provided by a chef, restaurant or culinary professional. It has not been tested for home use.
Recipe courtesy of Kevin St. James, owner, Kevin St. James Bar, New York, NY