Canned herring is usually eaten with potatoes, onions, butter, sour cream or light cakes. Canned herring is a traditional Swedish food. It is a canned food with bad smell and sour taste. It is made by canning the processed herring and letting it ferment naturally. The biggest feature of fermented herring is its ubiquitous and persistent stench.

How to eat canned herring correctly

Canned Swedish herring is the most smelly food in the world, and its smell is 300 times that of natto. It is usually listed in Sweden in the short summer (around August).

It is reported that the Swedish government stipulates that it is not allowed to open canned herring in residential areas. In addition, international flights are not allowed to carry canned herring, because the change of air pressure may lead to the rupture of canned herring, which may lead to safety hazards.