In a large pitcher, whisk together the sugar, orange juice, zest, lime juice, lime zest and salt.
Continue whisking until the sugar is completely dissolved.
Store in an airtight container in the refrigerator until ready to use.
To make a pitcher of margaritas:
In a large pitcher, combine all of the margarita mix with 2 cups of tequila and 1/4 cup triple sec. Stir and chill until cold. Serve in glasses rimmed with salt.
Video
Notes
To make frozen margaritas, pour 2 cups margarita mix with 1/2 cup tequila and 2 shots triple sec. Then, blend with ice cubes until smooth and slushy.