These 10 facts about space will blow your mind. Lutefisk is a Scandinavian dish which is made from dried stockfish, also called whitefish. Most commonly, the fish of choice is cod, although other white fleshed fish can be used as well.The fish is rehydrated before being soaked in lye and then soaked in fresh water.utefisk is associated with Norway, where it is a popular dish. Cod is typically used to make lutefisk. Lutefisk is often served with a creamy bechamel sauce.