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Questions tagged [canning]

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

Topics accepted within this tag:

  • Problems with preserving recipes, especially if the recipe can be referenced

  • Techniques for using preserving equipment

  • Selection of preserving equipment

  • Selection of preserving containers for food types - glass, metal, other

Topics not accepted within this tag:

  • Discussion on the health benefits of preserving

  • Discussion on the shelf life of preserved foods

300 questions
14
votes
5 answers

Can I cook with the olive oil from canned sardines?

The olive oil from canned sardine is delicious to eat with the sardines themselves on toast. However the olive oil doesn't seem to pair with any other food. In the past I tried to use the oil with lemon juice/parsley/garlic/green beans, the food…
bakingfanatic
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13
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2 answers

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?
Vicky
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13
votes
8 answers

Method of canning without pressure canner?

I'm debating canning but I don't have a pressure canner. I was just wondering what the best method to can would be since I don't want to get botulism and I want the canned food to last for a long time.
Kyra
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13
votes
4 answers

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 could sterilize with low heat for a large amount of…
Dennis
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12
votes
5 answers

Do tinned foods go off (stale)?

This morning I found a tin of baked beans with a best before date of August 2014. A colleague of mine told me that it's perfectly safe to eat, and that tinned foods never go off. Can this be true? Do tinned foods last forever?
David Kirkland
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12
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3 answers

Jar lids popping several times

I've canned my whole life (54 years old), I started when I was young helping my Mom, and I've never run into this before. I've never canned just plain pork stock before, but wanted to try. I had 4 pints and put it in the pressure cooker at 10lbs for…
Leila
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12
votes
3 answers

Is the liquid inside the canned chickpeas meant for consumption?

Can the liquid inside the canned chickpeas be consumed? Should I drain it or add it to the chickpea-curry?
user366312
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12
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4 answers

For Pressure Canning, can I use any other jar than Ball’s Mason Jar?

So Ball’s Mason Jar is not as common in my country but I want to try my hand at pressure canning sambal (chili, garlic, fermented shrimp paste, no vinegar). Is there any alternative to Ball’s Mason Jar that is gold standard for pressure canning?
Pandastew
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11
votes
2 answers

Why does processed meat contain preservatives, while canned fish needs not?

I've read that canned salmon typically does not contain any preservatives. On the other hand processed meat (such as ham) contains them. Why are preservatives needed in some cases but not others?
user18825
11
votes
3 answers

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 canned ketchup has botulism in it through the same…
Peter Turner
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11
votes
2 answers

How can I determine canning processing times?

I know safety is paramount with canning, and best answer is always to find a trusted recipe. But that's obviously not possible for every conceivable food one might want to can. Besides, trusted recipes came from somewhere (and work even though for…
Cascabel
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11
votes
4 answers

Why is my blueberry jam grainy?

I recently made and canned blueberry jam for the first time, using this recipe and canning instructions. I filled all my jars & canned them, but there was a little jam left in the pot. It was a bit grainy, but I thought it was just from being the…
JustRightMenus
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11
votes
1 answer

Why are my canning lids popped out?

My wife has been trying to can some foods using the canning techniques that she's familiar with from Romania, but with the American-style canning jars and lids that we get here. This involves packing the jar with the canned goods, filling the jar…
JSBձոգչ
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11
votes
3 answers

Ball Canning Jars: Use them over and over?

A simple question: Can I seal and reseal Ball canning jars over and over? How long before the seal gets busted usually? Also, how do you clean the rubber seal ring without damaging it?
themirror
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10
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4 answers

I wanted to make homemade pickles, does it matter what type of salt I use?

I've got the spices, jars, etc. I was wondering if there is a special salt, or can I just use table salt?
AttilaNYC
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