2 tbsp. kosher salt
3 lime wedges, divided
8 oz. cold Lime Sour (see instructions below)
3 oz. tequila
2 oz. Cointreau (or another orange liqueur)
Pour salt onto a flat rimmed dish. Moisten the rim of two margarita glasses with a lime wedge; dip in salt. Combine Lime Sour (click here for recipe), tequila and Cointreau in a cocktail shaker over ice. Shake to combine; pour into prepared glasses. Garnish each glass with a lime wedge.