Ingredients:
- Espresso
- Bourbon
- Sugar
- Bitters
- Orange peel
Instructions:
- Muddle the espresso and bourbon in a shaker.
- Add sugar and bitters to the shaker and muddle again.
- Express the orange peel over the mixture in the shaker.
- Fill the shaker with ice and shake vigorously for 15-20 seconds.
- Strain the mixture into a rocks glass filled with ice.
- Garnish with an orange wheel or twist, if desired.