Master of Mixes Margarita Mix is an authentic blend of key lime juice harvested from coastal Mexico, essential citrus oils used in triple sec, and a touch of simple syrup and pure agave syrup for a naturally refreshing, authentic flavour. Simply shake one part tequila and two parts mixer to get a barquality Margarita. Prefer it blended? Add this recipe to a blender or Nutribullet with one cup of ice.