Simply Recipes / Stocksy Key Takeaways Adding cilantro to a margarita brings a fresh, herbaceous twist to the classic cocktail. Muddling cilantro gently releases its flavor without overpowering the drink. Cilantro stems are flavorful and slightly sweet, making them ideal for cocktails. I am open to trying new takes on classics, but I'm a purist when it comes to a margarita cocktail. For a long time, I was convinced the simplest version was the best version. And for the most part, that's true.