2 oz. White Rum - (more)
1 tsp. Powdered Sugar - (more)
1/2 Lemon (Juice of, fresh) - (more)
Club Soda - (more)
Stir lemon juice, sugar, and 2 oz. Club Soda in a collins glass. Fill the glass with cracked ice and add rum. Top with Club Soda and stir. Garnish with a spiral of orange or a lemon peel.