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Cooking Stack Exchange

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
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When are cornichons ready to be pickled?

For the first time, I'm growing my own cornichon for pickling, but don't know the best time to pick them. Most recipes suggest they are ready when the fruit is about the size of your little finger - fair enough, but the fruit seems to go through two…
Jos
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Food safety and botulism indicators for pressure canned goods

Several months ago I canned some ham and pea soup, following this recipe verbatim. All went well and the jars have been sitting in my dark pantry ever since. This was my very first time (ever) using a pressure canner, and so I have no idea what to…
hotmeatballsoup
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Canning tomato sauce for the refrigerator

I buy 3000 gram jars of San Marzano plum tomatoes, and when I open one, I have a lot left over. This time, I made a basic marinara from the pureed de-seeded/de-stemmed tomatoes with oil, garlic, spices, wine, etc., and I cooked it for about :40m. …
John
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What are the 3 vents / weights on this Chinese pressure canner?

I bought a pressure canner of Amazon, unfortunately the manual is entirely in Chinese. It doesn't look like the two types of pressure canners I have learned about, which are "weighted gauge" and "dial gauge". It has 3...things on the lid and I am…
user1721135
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Why does my home made chilli sauce ferment?

Good day all My lovely wife makes a super sauce with chillies, olive oil, lemon juice, wine vinegar and garlic. Works a treat when we make a jarful for home use and one or two extra ones for friends. But when we try making a batch to bottle it…
Stan Luntz
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1 answer

storing crispy fried onions

I'm looking to know how to store home made crispy fried onions. I'm not looking to refrigerate for a week or two. I want to be able to know how to store them in a glass bottle for long term storage.
Katie Bullock
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Is it possible to can hummus?

The question was prompted by running out of suitable sized plastic boxes for some home-made hummus, so I used a couple of old jam jars. This was for freezing, but it got me thinking. I assume a simple recipe of cooked chickpeas, tahini, garlic,…
Chris H
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Does honey always have to be heated in order to liquefy it for bottling?

Some honey producers claim that they are honey is unheated. Assume that the producers in question are decently large scale and sell their honey in typical bottles/jars/pails. However, talking to other producers, they indicate that they had to heat…
Franck Dernoncourt
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Is it normal this white substance in my canned green peas?

I just opened a can of petit pois and I found them covered in this white, gooey substance, as opposed (or maybe better "in addition") to the usual clear liquid. I don't think I have seen it before. I think it's weird that something canned goes bad…
jdehesa
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Can fresh basil cause tomato sauce spoilage?

I added fresh basil to tomato sauce once it was bottled, just before sealing. Never done this before and I lost the whole batch within 2 weeks. Can fresh basil cause fermentation to continue? Should the basil have been cooked into the sauce before…
Lynne
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Can I reprocess vinegar hot pepper jelly?

I made a batch of jelly last night that just isn't sweet enough. Can I now unseal the jars, reheat, add sugar and re sterilize and seal them?
Louise Carroll
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Bread and butter pickles without mustard seed?

I'm making bread and butter pickles and I ran out of mustard seed. What can I use instead? Or do I just skip it?
user49762
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Can "Canning" be achieved with "vacuum sealed" bags?

Upon reading the question If I vacuum seal a food product like beef stew then boil it in the bag, would it keep un-refrigerated? and the answer provided https://cooking.stackexchange.com/a/69423/6279 I agree that 'normally' it would not result in…
Cos Callis
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Should I throw away a jar of olives that fizzed and bubbled upon opening?

Like the title says, I opened a jar of locally produced olives and it started to bubble like seltzer. Is it unsafe to eat?
Natan Yellin
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Can I un-seal canned tomato sauce, and re-seal after further cooking?

If I canned tomato sauce and all the jars sealed perfectly, can I open them, cook the sauce a little more, and do the process over again? I had some of the sauce today and I think it needed a little more cooking.
Lucia
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