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 Manhattan". While vermouth can be used as a substitute for white wine in food recipes, because it is more flavorful than wine, it may be overwhelming when used in certain dishes. The herbs in dry vermouth make it an attractive ingredient in sauces for fish dishes or as a marinade for other meats, including pork and chicken. Because vermouth is fortified, an opened bottle will not sour as quickly as white wine. Opened vermouth, however, will gradually deteriorate over time. Gourmets recommend that opened bottles of vermouth be consumed within one to three months and should be kept refrigerated to