Question: what is the difference between sweet vermouth and dry vermouth?
Answer: There are two main types of vermouth: sweet and dry. Sweet vermouth, which is used to make negronis, Manhattans, and vieux carrés, is also called “rosso” or “red” vermouth. ... Dry vermouth is used to make martinis. Sweet vermouths usually contain 10–15 percent sugar, while dry vermouth usually contains 4 percent or less.