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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
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What happens when you provide too much headspace when canning?

All directions indicate that headspace is critical. Overfill your jars and liquid or food can expand out the seal and prevent a good seal. Yes I understand this completely. However, leaving too much headspace? Almost all written directions say this…
Escoce
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How to preserve a sugar, oil free homemade chocolate spread?

I'm starting to make a business of selling homemade sugar and oil free chocolate spread, which will be sweetened with dates. My ingredients are: Sugar free cocoa powder Hazelnuts Dates And water. I do not want to use any additives and that's where…
Abdelkadir Khellaf
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I water bath’d my freezer cherry jam

I water bath my freezer jam. I didn’t realize I was using freezer pectin. Can I make this jam shelf safe at this point?
Mitzi
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Is it safe to can tomato sauce after refrigerating it?

For my first adventure in canning, I had planned to make an arrabiata sauce and give it a hot-water bath. I finished making the sauce around 11 p.m. before I realized I didn't have citric acid -- or even lemon juice -- to add to the jars. So I ended…
bdb484
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How to preserve bone broth?

I will soon receive a few kg of fresh boar bones. From these, I want to make bone broth and preserve them in Weck jars, as I don't have a freezer. Unfortunately I do not have a pressure cooker of any kind. What's my best bet to minimise the risk…
FUZxxl
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Cloudy sediment in home canned pickles

I've home-canned some pickled vegetables recently and there is a cloudy sediment in the brine. I'd like to know what causes it and how to prevent it. It is not spoilage. It only seems to affect the visual aesthetic of the pickles. Here is an image…
user55937
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Waterbath canning chow chow

I waterbath canned some chow chow on Wednesday. It was cabbage, cauliflower, red pepper, green peppers, and (was suppose to add green tomatoes and forgot) can I open them, add tomatoes and can again? Today is Friday. Thanks
Neva Thompson
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Packaging/Bottling and Uncooked Hot Sauce

Forgive me for the post being long! I make a buffalo sauce/marinade that all my friends and family rave about. I’d love to be able to give some to them to keep in the pantry, especially the ones that live out of state and would need to travel with…
Cali
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Is it safe to eat canned tomatoes when the lid popped inwards on opening?

I opened a store bought can ("tin") of diced tomatoes with a "pull top" lid, and unusually as I did I heard a noticeable popping noise. The lid appears to have bent inward slightly, like there was a negative pressure differential (pressure inside…
Michael
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Should canned peas' water be discarded?

The argument is that when cooking peas from a can the liquid should be thrown away for the same reasons* beans' first couple of waters are discarded. Is that true? The can says(translated): Net weight: 400g Drained weight: 280g Contains: peas,…
Vorac
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Can I reprocess applesauce that was processed correctly the first time?

This was my first year canning applesauce. My first batch was a little too thin for our liking, but I tweaked what I did a little, and the next two batches came out great. I have some apples left, but not enough to make it worth canning. I was…
Melissa
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I depressurized my canner and reprocessed jars with lids sealed. Will the food be ok?

The canner began coming to pressure, steam started shooting under the pressure gauge. The jars began to seal when I opened the canner to fix the gasket. I reprocessed them all without putting new lids on (some were sealed), will the food still be…
Becky
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Sparkling strawberries in glass

I made several glasses of whole strawberries in syrup. Normally I do this: sterilize the glass and the screw cap with boiling water carefully wash and sort strawberries make a syrup 300g of sugar to 0.5l of boiling water put strawberries into glass…
Tom HANAX
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Do you need to put canned chili sauce in the refrigerator after it is opened?

New (sealed) chili sauce doesn't need to be put in the refrigerator. After unsealing, do you need to put it in the refrigerator after the lid is tightened?
semi semi
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Is this kind of outlook in the wall inside an opened can looking normal?

I have just opened an expired can of beans trying to clean the food stock due to epidemic situation. It expired approximately 6 months. The food looks alright, the outlook of the can doesn't have any sign of rust, looks as if new, the shape didn't…
西門 正 Code Guy
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