1 1/2 oz of white Tequila
1 oz of Cointreau (or orange liqueur)
3/4 oz of Lime Juice
Salt
lime wedge
Using the lime wedge, wet the rim of a rocks glass and dip into the salt. In a cocktail shaker with ice, shake together the tequila, Cointreau, and lime juice until chilled. Strain into the glass filled with new ice and garnish with the lime wedge.