Fish and chips is a traditional dish consisting of freshly fried fish fillets and sliced fried potatoes. The fish is dipped in a batter of eggs, flour, and milk, and it’s then fried in oil, lard, or beef drippings. The most common types of fish used are cod, haddock, skate, and pollock, but cod is the most popular choice, with 60% of all fish and chips meals using it as the preferred fish.