Fill a cocktail shaker with ice. Add tequila, lime juice, Simple Syrup and orange liqueur. Cover and shake until mixed and chilled, about 30 seconds.
Use leftover lime to moisten edge of glass. Place salt, sugar, lime juice mixture on a small plate. Press the rim of the glass into the mixture to coat the rim.
Fill glass with ice. Strain margarita into the glass. Enjoy!
Video
Notes
How to make simple syrup: https://selfproclaimedfoodie.com/make-simple-syrup/