2 oz tequila blanco
1 oz fresh lime juice
1 oz Cointreau or triple sec
1/2 oz simple syrup, optional
Kosher salt for the rim
Lime wedge for rimming and garnish
Fill a shaker with ice
Salt the rim of a chilled glass
Add tequila, lime juice, orange liqueur, and simple syrup to the shaker
Shake hard for 10 to 15 seconds
Strain into the prepared glass over fresh ice
Garnish with a lime wedge
Use fresh lime juice only
Use good-quality tequila
Balance tart, sweet, and strong flavors to taste