Fill your highball glass with ice
Pour in 2 oz of tequila blanco (we prefer Patron Silver or 1800)
Add in 1 oz of grapefruit juice, 1 oz of lime juice, and 1 oz of simple syrup.
Put a lid on the shaker and shake a few times to mix everything thoroughly.
Run a lime wedge around the rim of your glass
Dip the mouth of the glass into your margarita salt mix
Fill your margarita glass with ice
Replace the shaker lid with a Hawthorne strainer, and pour into the glass
Float ¼ oz of Grand Marnier (or another orange liqueur) on top of the drink
Garnish with a grapefruit wedge and enjoy!