Cocktail onion recipes also call for the onions to be packed in white vermouth as well as vinegar. Generally, the onion retains a slightly crunchy texture through the brining process, which can add a different mouthfeel to the drinking experience. Since the cocktail onion is made from a sweet onion, it is unlikely to upset the digestion with a sulfurous or eye-watering taste, although some cultures use more pungent onions as cocktail garnishes. While not as widely used as more common garnishes such as olives or lemon twists, the cocktail onion is the signature garnish of the Gibson, which consists of a
Vermouth first, martinis used sweet vermouth. Around 1904, however, drier French vermouths began to be used in the cocktail. The term "dry martini" originally meant using a drier vermouth as a mixer, not using less vermouth, as the term is used today. Sharon Tyler Herbst's book, "The Ultimate A-To-Z Bar Guide", lists 112 cocktails using dry vermouth and 82 containing sweet vermouth. Cocktails using either dry or sweet vermouth or both include the Americano, Bronx, Gibson, Manhattan, Negroni, Rob Roy, and Rose. Variations of cocktail recipes using equal portions of dry and sweet vermouths are called "perfect", as in a "Perfect