Here's What You'll Need
grapefruit juice, tequila blanco, lime juice, cointreau, agave nectar, salt, sugar
Fill a cocktail shaker with ice, add grapefruit juice, tequila, lime juice, Cointreau, and agave. Secure lid, shake for 10-12 seconds to aerate the drink.
Run a lime or grapefruit wedge along the rim of the glass, dip into a bowl with equal parts salt and sugar. Place ice in glass. Strain into glass, garnish with grapefruit and/or lime wedges.