Freshly squeezed lime juice: The final ingredient is just as important as the tequila and the orange liqueur, so be sure to use fresh-squeezed lime juice, not the bottled stuff.Instead, this one deserves the cognac-based Grand Marnier. An excellent orange liqueur: You'll want to skip the clear orange liqueurs such as triple sec.Reposado (rested) tequilas are aged in oak casks that mellow the flavors and impart a soft oakiness and light straw color. The very best tequila: If you want to pull off the proper Cadillac margarita, you need the best reposado tequila you can comfortably afford.The Ingredients You Need-Including the Best Tequila-for a Cadillac Margarita The Cadillac margarita is made with top-shelf ingredients, and that's really the only difference between it and a regular margarita.
