Cooking Stack Exchange
Cooking Stack Exchange

Questions tagged [food-preservation]

Questions about LONG-TERM food storage such as canning, pickling, freezing, and drying.

This tag is meant as a catch-all term for all long-term food storage questions. Specific topics might include preparing fruit preserves, pickles, dried meat products (sausages or jerky, for example), freezing, and vacuum sealing.

If applicable, please also include tags indicating the type of food and the type of preservation, such as or .

438 questions
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Is there an organic preservative that I can add to homemade pesto to extend its refrigerated shelf-life?

I have a very large basil crop this year for which I am extremely excited. In addition to drying and putting that up for myself over the winter, I want to put up pesto for me. I especially want to ship some to my sister and a friend, both of whom…
Michael
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How to dry homemade pork sausages with proper humidity and temperature?

I am new to this and am attempting to dry some pork sausages. I was told to add a quarter pound of salt for every ten pounds of pork meat, which I did (I used ordinary table salt). I have the sausages hanging in my storage cellar which now stands at…
user4517
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1 answer

How can I preserve soy sauce eggs?

My favorite restaurant has an appetizer (or banchan) that my friends and I all adore. They're eggs that have been soaked in some kind of soy sauce brine and quartered. Back when I was just learning how to cook, and regularly made terrible, terrible…
kitukwfyer
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How to tell if Koji rice is bad?

I have some store bought Cold Mountain brand Koji rice. On the container it says it keeps in the fridge for "6-12 months". I've had it for about 8 months, but can detect no change from when I bought it by either sight (still white and chalky), touch…
Alex Reinking
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6
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What is the lowest temperature at which botulism spores are killed?

I am wondering if it's possible to pressure can low-acid foods in my Instant Pot. Now hear me out. I know it's not recommended because the highest pressure that can be guaranteed on it is 10.2 PSI, and many low-acid foods require 15 PSI for a…
Christy
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Canning with candles

I am not sure about the right terminology as I am not a native speaker, but is it possible to conserve solid food in a jar with a candle? Boiling is used to decrease air and for the food to be well conserved it must not have much oxygen. The food is…
Corelation
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Does freezing meat lead to differences detectable by blind testing?

"Fresh" meat tends to be coveted relative to frozen meat. I'm not inquiring about the debate of frozen vs. fresh, but rather am wondering about the potential magnitude of the differences between fresh and frozen meat. Imagine a scenario in which a…
Behacad
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How to make Frozen french fries

I'm a takeaway owner and for the past two weeks I have been trying to make my own frozen french fries. But the results are very bad, my fries either stick along like lumps or they get too soggy when i fry them in the shop. is there any ingredient…
Mohammed Aariz Rasool
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Why does food spoil in the freezer?

Many recipes suggest storing perishable food, such as left-over chicken stock, in the freezer for up to 2-3 months. Why could one not store it frozen for longer, surely bacteria and mould cannot grow in a deep freezer to spoil the food?
ScarletPumpernickel
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How to keep fresh lemon juice for a week without a change in its taste?

Are there any way to preserve the juice of lemon for, say, one week without a change in its taste? Even deep-freezing it makes it little bit bitter!
mmonem
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Does canned tuna contain preservatives?

I want to know how the tuna can be kept for so long in a can. Do they use preservatives? Or is it just tuna and water (or oil or brine)?
MOON
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Small batch of sauerkraut smells yeasty

As an experiment, for my first attempt, I'm making a small batch of sauerkraut. Small like less than 1/3 of a head. Its setup is pretty amateur, no professional airlock. Anyway, it's been going for a little while, less than a week, and I wanted to…
user2649681
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Possible to freeze jam in glass?

I have read on multiple canning sites that you can freeze jam in glass jars. Has anyone actually done this successfully? Under what circumstances would it be preferable to putting the jam in plastic containers? It just doesn't seem very safe to me…
JustRightMenus
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How do I prevent jams from turning brown?

I have been a jam maker for years. We live in an area of fresh fruit so it's always naturally sweet. I decrease the sugar in each recipe by at least 1 cup and I always add fresh lemon juice. My question is: do I need to water bath the jam to…
Becky
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Drying whole, small fish at home

As part of my ongoing experiments with whole small fish (sardine, smelts, small mackerel), I'm considering drying them at home to produce concentrated umami bombs. However, I'm admittedly less than thrilled with the instructions I've seen online,…
user242007
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