Chilled rocks glass: Begin by coating a chilled rocks glass with a layer of absinthe.
Muddle and mix: Muddle a sugar cube with bitters in a mixing glass. Then, add rye whiskey and ice. Stir the mixture thoroughly.
Strain: Strain the prepared cocktail into the chilled rocks glass.
Lemon twist: To enhance the flavor, twist a piece of lemon peel over the drink to release its oils. Afterward, you can discard the twist.