It isn't smoked, salted, or cooked at all — just hung outdoors on wooden racks and left to dry in Iceland's constant wind until it's basically fish jerky.
Whole haddock, cod, or wolffish fillets are hung on open-air drying racks called hjallar for weeks, where Iceland's cold, relentless wind pulls the moisture out without a flame or a grain of salt touching it. The dried result is torn into strips by hand and eaten plain or slathered with a thick layer of butter.
Kleinur
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Humarsúpa (Icelandic Lobster Soup)
Skyr