Ingredients

6 tablespoons fresh lime juice (about 3 limes)4 cups cubed fresh pineapple (1 inch) 40 fresh mint leaves 2/3 cup superfine sugar 1/8 teaspoon kosher salt1-1/2 cups light rumIce cubes 7 cups club soda, chilledGARNISH:Fresh pineapple slices and additional fresh mint leaves

Preparation

Place the first 5 ingredients in a blender; cover and process until pureed. Transfer to a 1-1/2-qt. pitcher; stir in rum. Pour 1/3 cup mixture into each glass. Add ice; pour 1/2 cup soda over ice. Garnish with pineapple slices and additional mint leaves.