Absinthe Frappe

1 1/2 oz. absinthe
1/2 oz. simple syrup (1:1)
2 oz. soda water
6–8 mint leaves
Tools: mixing glass, muddler, shaker
Glass: frappé
Garnish: mint sprig

Muddle the mint leaves in a mixing glass. Add the absinthe and simple syrup to an ice-filled shaker and shake vigorously. Pour the contents into a glass filled with crushed ice, top with a splash of soda and garnish.