Questions about food being preserved into glass jars, metal cans, or other air-tight containers using a variety of heat treatment steps to ensure an reasonable level of pasteurisation and/or sterilisation

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How to make Grape Must

I just bought some grape must - it's a must on spinach salad! I am thinking of turning some of my own homemade concord grape juice into the same. Any advice, other than to reduce by slow boiling? Can ...
4
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1answer
219 views

How can I avoid limp strawberries?

When using strawberries to make a preserve (canning process), they become limp and lose colour Is there a way to avoid this?
6
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1answer
528 views

Can I can bacon?

This question is my wife's. I don't want to save bacon for later. I have seen commercial canned bacon for long term food storage and camping, etc. Is it possible to can bacon at home? Does it have ...
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2answers
684 views

How do I make shelf stable legume dishes in vacuum bags?

how do I make shelf stable cooked legumes in vacuum sealed bags at home?
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2answers
224 views

How to determine if canning is safe?

How can I tell if it is safe to can a particular homemade sauce? Is it just a function of pH and technique (pressure vs boiling water) or are there any other factors in play? Specifically, I would ...
4
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1answer
2k views

Has anyone had experience canning with “Quattro Stagioni” Jars?

I am in the midst of canning a variety of items that require either boiling water bath processing or pressure canning. I usually use a two part lid and screw band (Ball or Kerr) with jars, but this ...
11
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3answers
6k views

Will botulism growing in my home-canned vegetables pop the lid?

I remember that in my biology class in high school the teacher told showed us a puffed up can of pineapples which he claimed had botulism in it. Is that remotely true? and if so, can I tell if my ...
2
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1answer
90 views

How long should I wait until I put new jars in?

Currently canning some banana peppers. I have a large stock pot set up with a 3 jar canning rack. I just finished a round of jars in the stock pot and the water was boiling. How cool should I let the ...
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4answers
3k views

Plum preserving/storage method that tastes like plums, not prunes (I just picked 30 lbs)

I just did some neighborhood foraging and picked 30 pounds of red plums. They are delicious, but even I will have trouble eating them all this week. Last year we made jam/preserves but it ended up ...
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2answers
3k views

Can I can vegetables using sous-vide?

My girlfriend and I were talking about the summer produce season approaching and hit on the idea of canning sous-vide. That is, rather than sterilizing by high heat for a short amount of time, you ...
4
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3answers
908 views

Can you safely can homemade caramel/butterscotch syrup?

I've done canning of jams and jellies. I would like to make caramel and butterscotch syrups and jar them to give away, too, but I'm not sure if this is do-able since they contain butter and cream. Can ...
12
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2answers
3k views

How to recover jam that has set too hard?

Every time I make jam I always manage to set it too hard. Is there any way to recover it once it's done this?
5
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3answers
651 views

Does canning stock raise its temperature too high?

I've read that the ideal way to make stock is to: crack the large bones place the carcass in a stock pot cover with water bring it to a simmer (not a boil) on the stove place the whole thing in ...
4
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3answers
3k views

What are the costs to consider when making jam?

I am trying to dertermine what kinds of jam are particularly cost-effective to make at home. I have been given a few bits of equipment for jam making, and am looking forward to getting started. We ...