- 2 oz. rye whiskey
- 2 oz. Gingercello
- 1 oz. lemon juice
- 0.5 oz peaty scotch
- grapefruit slice
- Combine whiskey, Gingercello, and lemon juice in a mixing glass with cracked ice.
- Stir vigorously then strain into a lowball glass with a large ice cube.
- Float the peaty scotch: either spray it from a small spritzer or pour it over the back of a spoon held over the lowball glass.
- Garnish with a grapefruit slice.