Whatever its origins, Scandinavians have eaten lutefisk for centuries. Preserved cod provided protein during the long winter months for generations of families in a part of the world with a strong tradition of fishing. Lye was used for making soap and preserving food.

Surströmming is a traditional dish from northern Sweden that arose during the 16th century when Sweden had a salt shortage. Today, the fish has become infamous due to its stinky smell, yet enthusiasts praise surströmming for its great taste.