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What is the best way to keep miso?

How do you keep miso? It doesn't say to refrigerate it on the container, but I would think if I don't it would mold or dry out. Thoughts?

asked by Deanna Varble-Bielewicz 4 months ago

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5 answers 291 views
cv
cv
added 4 months ago

Miso will keep for a one year in the refrigerator per Shizuo Tsuji, founder of a famous cooking school in Osaka that bears his name and author of "Japanese Cooking - A Simple Art" (1980).

Miso won't mold; itself it is the product of fungus Aspergillus oryzae. There are some other beneficial microorganisms in miso beyond Oryzae which refrigeration helps to preserve.

Miso doesn't really go bad, but there is a loss of flavor quality after a couple of years.

Best to write the date of purchase on the package somewhere, just as a reminder to you how old it is the next time you open it.

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Deanna Varble-Bielewicz
added 4 months ago

This is excellent information. Thank you so much for taking the time to reply and share! I really appreciate it.

cv
cv
added 4 months ago

In the old days, miso was stored in wood barrel or bucket with a fitted lid that kept direct contact with the miso to prevent drying out and stored in a cool, dark place.

Remember that the Japanese have been making miso for five hundred years, well before refrigeration invented.

Today, miso is sold in resealable plastic containers to maintain uniformly high product quality. Theoretically, one could probably store one of these in a cool dark place at cellar temperatures (50-55 degrees Fahrenheit) but why would you? It is far more convenient to simply reach into your fridge.

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cv
cv
added 4 months ago

Forgive me, my math is off.

The Japanese have been making miso for about 700 years, not just a measly 500 years.

Ttrockwood
added 4 months ago

I put a layer of plastic wrap directly on the surface of the miso, and then the lid.
Keeps in the fridge for maybe ever, but i use mine frequently- especially for miso tahini salad dressing- so i use it within months.

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