Fish and chips is a classic British dish consisting of fried FISH and deep-fried chips. It is usually served with malt vinegar, salt, and ketchup or tartar sauce. The term 'FISH and chips' refers to the combination of the two main ingredients, which are typically cod, haddock, or another type of white FISH, and potatoes. The dish has been popular in the United Kingdom since the 19th century and is now enjoyed around the world.