Step 1.
- In an Old Fashioned glass, add a sugar cube and a few dashes of Angostura bitters.
Step 2.
- Muddle the sugar and bitters together until the sugar dissolves.
Step 3.
- Add a large ice cube to the glass.
Step 4.
- Pour 2 ounces of bourbon over the ice.
Step 5.
- Add 1 ounce of Amaro Montenegro.
Step 6.
- Stir gently to mix the ingredients thoroughly.
Step 7.
- Express the oils from an orange twist over the drink and drop it in as a garnish.