"I really like the Broxburn's complexity," says Philip Ward of this margarita variation. "The mezcal adds smoke and the Drambuie adds an herbaceous, Scotch-like depth, yet it remains a very refreshing cocktail."
Moisten the outer rim of a coupe with the lime wedge and coat lightly with salt. Fill a cocktail shaker with ice, then add all of the remaining ingredients and shake well. Strain into the prepared coupe.