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The generic name "Parmesan" is most commonly used to
describe industrial, mass produced, hard textured cheeses
manufactured in vast mechanized plants.
However the "true" Parmesan cheese, more correctly known
as "Parmigiano Reggiano" [ The King of Cheeses ] is only
made in a precise "zona typica" in central Italy which
includes the provinces of Parma, Reggio Emilia and Modena, Mantua on
the right bank of the Po river and Bologna on the left bank of the
Reno river. There, in 650 small factories called "casellos", skilled
cheese makers use a traditional method that has changed
little since the 13th century to produce between 4 to 10
cheeses a day per castello. It is very much a matter of quality
rather than quantity!
To make each 35kg "wheel" of Parmigiano Reggiano
requires 560 litres of highest quality whole milk delivered
fresh, each morning and evening from nearby dairies; un-homogenized and
with its natural flora intact. The evening milk is allowed to
rest overnight in trays and the morning milk is used after it has
rested for about one hour.
First a portion of the naturally accumulated cream is skimmed off
and the evening and morning milks are mixed together in a
copper kettle shaped like an inverted church bell. Then an
aliquot of natural whey [ which contains lactobacilli ] is added
and the milk is slowly heated to 33°C with constant stirring to cause
partial fermentation and to raise its' acid content.
The heat is then turned off and natural rennet is added,
after which the mixture is allowed to coagulate for
12-15 minutes to form curds. The curds are then broken up
manually using a sharp-edged tool known as a "spino" [
thorn-bush ] to create fragments the size of wheat grains which are
"cooked" by slowly heating them to 45°C, followed by rapid
heating to 55°C.
The batch is then cooled to allow the cooked granules
to precipitate in the bottom of the kettle and after about
half an hour the cheese is scooped into a sieve-cloth
with a wooden paddle. It is then placed inside a circular wooden
mould called a "fascera" which gives the cheese its
characteristic "wheel" shape.
After draining for a few hours the cloth is removed and the
freshly made cheese is branded with the words "Parmigiano-Reggiano"
to designate its pedigree. It will remain in the fascera for
several days resting on its' flat ends with frequent turning
until set, after which it will be immersed in brine for 20-25
days.
The final stage is maturation, which takes place in a temperature
controlled storehouse called a "cascina" where the cheeses
are stored for approximately 1 year on massive wooden shelves with regular
brushing, turning and checking. Each cheese is graded and a wheel is
designated ready for market when it makes a characteristic
vibration when struck with a small hammer.
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