The secret to this flavor combination is cold, and plenty of it. Shake as long as you can manage, and then shake some more – it’s the water and the chill that tie it all together.
White crème de menthe is the mint liqueur of choice for this drink, although you can substitute any mint liqueur so long as it isn’t green.
Shake vigorously with ice. Strain and serve in a chilled cocktail glass or over crushed ice.