- ¼ ounce gomme syrup (or regular simple syrup)
- 3 dashes Angostura aromatic bitters
- 2 ounces whiskey/rye
- Orange rind
Combine syrup, bitters and whiskey in a mixing glass. Add ice. Stir until cold. Strain into tumbler with a couple of large ice cubes. Express oil from orange rind over drink and then drop in the glass.