Auspicious night! You may have to go to Sweden to buy this kind of canned food: View pictureView pictureView picture Salted herring (surstr?mming) sandwich, the pancake at the bottom is a pancake unique to northern Sweden, served with Potatoes, butter, and purple onions suppress the smell, and the pink fish meat is salted herring (surstr?mming). I heard that you can eat this on the 1st floor of Flavors Swedish Restaurant in Taipei, No. 13, Lane 26, Lane 300, Section 4, Renai Road, Taipei Swedish salted herring dinner. Please refer to the reference materials for more answers>>