Step 1.
- Chill the coupe glass by placing it in the freezer or filling it with ice water for a few minutes.
Step 2.
- In a cocktail shaker, combine 2 ounces of absinthe, 1 ounce of freshly squeezed grapefruit juice, and 0.5 ounces of simple syrup.
Step 3.
- Add ice to the shaker and shake vigorously for about 15 seconds until well chilled.
Step 4.
- Strain the mixture into the chilled coupe glass.
Step 5.
- Garnish with a twist of grapefruit peel, expressing the oils over the drink before placing it on the rim.