Arthur Tompkins

In a shaker half-filled with ice cubes, combine the gin, Grand Marnier, and lemon juice.
Shake well.
Strain into a sour glass and garnish with the lemon twist.

Serve: Whiskey sour glass

- 2 oz Gin
- 1/2 oz Grand Marnier
- 2 tsp Lemon juice
- 1 twist of Lemon peel