Step 1.
- Toast a marshmallow over an open flame until golden brown and melty.
Step 2.
- In a cocktail shaker, add 2 oz of smoky whiskey.
Step 3.
- Add 1 oz of sweet vermouth.
Step 4.
- Include 1/2 oz of simple syrup (or to taste).
Step 5.
- Add 1/2 oz of chocolate liqueur for sweetness.
Step 6.
- Fill the shaker with ice and shake vigorously for 15 seconds.
Step 7.
- Strain the mixture into an old fashioned glass with one large ice cube.
Step 8.
- Garnish with the toasted marshmallow on a skewer.
Step 9.
- Serve immediately and enjoy the warm, cozy flavors.