- 1¾ oz. Heaven’s Door Double Barrel (or other robust blend of whiskeys)
- ¾ oz. Averna amaro
- ¼ oz. BG Reynolds Tiki Spices syrup
- 4-5 dashes Angostura bitters
- 1 egg
- ¾-1 oz. Left Hand milk stout (or other milk stout)
- Grated cinnamon for garnish
Combine all ingredients except stout in a shaker. Dry shake for 15 to 20 seconds. Add ice and shake 1 to 1½ minutes until well integrated. Strain into an Old Fashioned glass and top with milk stout. Garnish with grated cinnamon.