3 tbsp Hibiscus Syrup (depending on how sweet you like it)
3 tbsp mezcal (preferably silver, such as Xicaru Silver)
3 tbsp fresh lime juice
1 lime or small orange, sliced thinly crosswise into wheels
Tajín* (Mexican chile-lime seasoning; optional)
Put hibiscus syrup, mezcal, and lime juice in a shaker and top with ice. Shake; strain into a coupe glass.
Garnish with a lime wheel, sprinkled with Tajín if you like.
*Find Tajín at Mexican markets and online.