Step 1

1 If using the Tajín, on a small plate, scatter the seasoning

Step 2

2 On another small plate, drizzle a circle of the agave syrup the circumference of your rocks glass

Step 3

3 Dip the rim of the glass in the syrup, then in the Tajín so the seasoning sticks

Step 4

4 (Alternatively, you can swipe a lime wedge around the glass rim before dipping the rim in the spice, but the syrup is more effective in getting the seasoning to stick

Step 5

5 )

Step 6

6 Add ice to the glass and set it aside

Step 7

7 Fill a cocktail shaker with ice

Step 8

8 Add the tequila, lime juice, triple sec, agave syrup and chile slices and shake hard for about 15 seconds

Step 9

9 Double-strain into the prepared glass, add a lime wheel or jalapeño slice, if using, and serve