If you’ve ever encountered surströmming you will never forget the smell. Surströmming is fermented herring and it smells like … fermented herring (repeat words slowly and think about them). Surströmming has such a bad, intense, long lasting odour that it’s commonly used for pranks. Like an opened can under the bed in the newlyweds’ suite.

Today is the annual premiere for surströmming. Read more about the dish here.