Add about 4 ice cubes to a metal shaker along with tequila, triple sec, tuaca, and lime juice. Shake about 10 times and pour all into glass. Add splash of Grand Marnier. Enjoy!
1 ½ ounces high quality tequila
1 ounce fresh-squeezed lime juice
1 ounce triple sec
1 ounce tuaca
1 splash grand marnier