Step 1.
- Fill an Old Fashioned glass with ice.
Step 2.
- Add 2 oz of bourbon to the glass.
Step 3.
- Muddle 1 sugar cube and a few dashes of aromatic bitters in a separate mixing glass until dissolved.
Step 4.
- Pour the muddled mixture into the glass with bourbon.
Step 5.
- Stir gently to combine.
Step 6.
- Add a twist of orange peel to garnish.