with some liquid seeping out. The cheese has to be apparently
eaten when the maggots are still alive because when they are
dead it is considered to be toxic!
Health issues have arisen in relation to Casu Marzu, including
reports of allergic reactions resulting out of the consumption of
the cheese that is in an advanced toxic state.
Surstromming - Sweden
Sweden’s Surstomming is fermented Baltic herring and can be
found on supermarket shelves all over the country.
The herring is caught in spring just before it starts spawning and
is then fermented in barrels for one to two months before being
tinned where the fermentation continues for several months. The
cans often bulge during shipping and storage because of the
continued fermentation process. so much so that certain airlines
have in fact banned these cans from being taken on flights, as
they consider the pressurized cans to be potentially dangerous.
When the can is opened the smell is overpowering due to the
advanced fermentation of the fish. It is usually eaten with a type
of flat crispy b ɕ