Strain into a rocks glass over a single large ice cube
3.
Garnish with a twist of grapefruit.
Notes
Piloncillo syrup
Piloncillo is a type of raw sugar used in Mexican cuisine. You can buy them in cones from specialty markets or online.
In a saucepan over medium heat, combine equal parts piloncillo and water. Stir until the sugar has fully dissolved, then bottle for use. Keeps refrigerated for a month.