Sweet, spicy, and lightly smoky — this is a great combination year-round.
Combine the pineapple, jalapeño, and cilantro in a cocktail shaker and muddle ingredients together. Then combine the remaining ingredients in the cocktail shaker, include a pinch of tajin spice. Add ice and shake well.
Double strain the cocktail into a chilled tajin-rimmed rocks glass over fresh ice and garnish with the sprig of cilantro.