We've been a little slack with our #summersippers series, but better late than never! We still have over a month of the season of sun, so there's still time to organise a girls night for this grapefruit-twist on a Mexican classic. GRAPEFRUIT MARGARITARecipe by Apartment34 Ingredients 60 ml. Tequila60 ml. Grapefruit20 ml. lime juice15 ml. triple sec15 ml. agaveKosher salt for rimlime wedgegarnish- grapefruit slice/lime slice Method 1. Add tequila, grapefruit juice, lime juice, triple sec and agave into a shaker with ice. 2. Shake.3. Take lime wedge and run around lip of glass. Place salt on plate and swirl the cup lip in the salt. 4. Add ice to glass. Strain cocktail shaker into glass. Garnish with grapefruit.