Add the gin, lemon juice, and simple syrup. Add plenty of ice to the shake and then shake for 10-15 seconds to chill the drink. Fine strain the cocktail into a chilled cocktail glass with fresh ice.

This three-ingredient classic combines gin, fresh lime juice, and simple syrup and is thought to have been created in the late 1800s. The original recipe called for Rose's Lime Juice Cordial ...