The fermentation procedure continues within the can – 'souring' because the Swedes confer with it – and ends in a bulging tin of fermented herring. Or rotten fish, as some (incorrectly) would say. Whether or not you like it or loathe it, Swedish surströmming is undoubtedly really memorable. The world’s https://www.youtube.com/watch?v=OS365DWxnKQ