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Canning
in a Pressure Cooker
Using a pressure
cooker for canning is not a good idea, unless it is a cooker that will hold at least 4 quart jars.
I was told my
small pressure cooker is not good enough for canning. Do you
know that to be true?
Faith ~ TN
Hi Faith,
Yes that is true. The USDA does not recommend canning in a pressure cooker. It has to do with the size
of the
canner,
the amount of water it will hold, and the time to
heat up and cool down.
When
the USDA tested and came up with the time needed for pressure cooker canning, they
figured
in the time that it takes the foods to heat up to pressure and then to cool down.
The smaller pressure
cooker will cool down much faster than the larger pressure canner,
therefore
shortening the total time.
Even
though you processed for the recomended processing time at the
reccomended pressure, the TOTAL time is less because of the shorter
heating up and cooling down time.
That is why the smaller
pots are called pressure cookers and the large one a pressure canner.
Some
times the smaller ones are called a pressure canner but that is
misleading.
According to
the USDA a pressure cooker/canner will only work safely for
canning if it is at least
large enough to hold 4 quarts.
Anything smaller should not be used for processing.
I wish
I had better news. :(
Sharon

Make
it your ambition to lead a quiet
life and attend to your own business and work with your hands....
1Thessalonians 4:11
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