Something very, very hot.
It's the Spicy Mule.
1.5 oz of tequila
0.5 oz of lime juice
2.5 oz of ginger beer
0.5 oz of jalapeño simple syrup
Combine ingredients in a shaker with ice. Pour in a collins glass over ice. Garnish with three jalapeño slices.
By Municipal Bar + Dining Co. in Chicago, Illinois.