Step 1.
- Fill a cocktail shaker with ice.
Step 2.
- Add 2 oz of Scotch whisky.
Step 3.
- Squeeze in 1 oz of fresh grapefruit juice.
Step 4.
- Add 0.75 oz of simple syrup (1:1 sugar to water ratio).
Step 5.
- Add a dash of smoky bitters.
Step 6.
- Shake well until chilled.
Step 7.
- Strain into a chilled coupe glass.
Step 8.
- Garnish with a twist of candied grapefruit peel.