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Recently I have learned, that I need to use a pressure canner when canning paprika. So far I have only used my oven.

I have ordered a pressure canner, but it may arrive end of october. At this time, the season for paprika may already be over.

So my plan is to do my regular canning procedure now, that I can get good paprika at a good price, boil the jars in water (or water bath in oven), then let them sit on the shelf until my pressure canner arrives and cook them in the pressure canner again.

Would this work and is it safe? Would I lose a lot of quality this way? The paprikas are cooked in the oven or grilled on very high heat, after which they are canned. So there is plenty of heat involved already. But would an additional canning procedure do much damage?

  • Do you have the ability to freeze the peppers after roasting? Then you could just wait until your pressure canner arrives. – moscafj Sep 17 at 22:09
  • I do, this was my second idea. But I thought that the freezing and thawing would be bad for the texture? – user1721135 Sep 18 at 7:27
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    It will, but that is better than possible spoilage if you need to store them temporarily. – moscafj Sep 18 at 10:24
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    BTW, note that using your oven for canning was never, ever safe. – FuzzyChef Sep 18 at 18:15
  • This is why I got a canner. – user1721135 Sep 18 at 19:59
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I can't come up with a way to do this that is not problematic.

First, no canning authority I can find provides instructions on how to re-can under pressure food that is already canned. The closest instructions I can find are from the national center for food preservation, which basically say "don't do it".

Second, you're talking about a month between initial canning and then re-canning under pressure. A month is plenty of time for botulism spores and other toxic microorganisms to germinate, which really only need a couple of days, so you'd need to keep the jars in the fridge. Given this, it would be tempting to roast the peppers and not process them at all and just keep them in the fridge, but again in that amount of time they would get moldy (and certainly lose flavor). Freezing them would destroy their texture.

Third, this means you would be running the full jarring process twice, which would almost certainly result in soft, mushy peppers. You can't cut the time on either proccessing cycle, because without the full cycle neither would be safe. I suspect that you'd also have a high ratio of jar/lid failure.

Let me suggest an alternative: package your peppers in a hot water bath, now, with added citric acid. Raising their acidity makes them safe to be jarred at air pressure, and they will still be pretty good. Save the pressure canner for next year.

  • According to the link I shouldn't even be canning roasted peppers, only fresh. Is that right? – user1721135 Sep 18 at 10:47
  • No, it's not. The particular point about re-canning cooked green beans has to do with packing -- they may be too dense to ever pasteurize properly. That shouldn't be a problem with whole roasted peppers. If you're packing sliced roasted peppers, you want to pack them loose for this reason; that's why commercial ones come floating fairly loose in a syrup. – FuzzyChef Sep 18 at 18:02
  • I've added an alternative course of action to my answer. – FuzzyChef Sep 18 at 18:10
  • I got my canner delivered just in time, so this issue is resolved now. – user1721135 Sep 27 at 21:07
  • Lucky! Enjoy your canning. – FuzzyChef Sep 28 at 18:08

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