What is vermouth? Ask around, and most people will say it’s an ingredient in martinis, while the rest will go on tangents about semesters abroad in Barcelona. However, very few people will be able to tell you what vermouth actually is. It’s wine. Wine that’s been given a slight bump in alcohol, and flavored with herbs, spices, and botanicals. It is indeed an ingredient in some very famous cocktails, but it’s also capable of being the star of the show. Of all the ways that vermouth can be used, here are our favorites.