- Chill an Old Fashioned glass by filling it with ice water.
- In a separate mixing glass, combine mezcal, simple syrup, and bitters.
- Stir the mixture with ice until well chilled.
- Empty the chilled glass of ice water and rinse it with absinthe, discarding the excess.
- Strain the chilled mixture into the prepared glass.
- Garnish with a lemon twist by expressing the oils over the drink before placing it on the rim.