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Old 12-19-2016, 04:55 PM
jfone jfone is offline
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Question Stored canned goods in oven, accidentally pre-heated



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We had a small storage space problem when Hurricane Matthew came through back in Sept & I placed some added canned items in the big oven until I could get them put away in a more appropriate place. These are all tin-can store bought items.

So, hubby forgot I was using the oven for storage & started a pre-heat for a casserole..... my best guess is it was on for about 20 minutes & got to about 260º before he realized what he'd done.

So, what do you think the safety of the canned goods might be? I expect the fruit should be tossed, but what about the beans & franks or the condensed soups etc..... None of the cans are bulging or anything & we let them cool down slowly.

Just a note, we have the "big" oven which has a normal sized oven & then we have the nice couples sized oven that it the one we use most often. That's why I chose to store extra stuff there & why hubby didn't think to remember to check it was empty, we just rarely use that one much anymore.
Old 12-19-2016, 05:07 PM
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Yes, it's likely compromised the length of time the food will keep and the can will remain stable. Is it an immediate problem? i'd say no, these things were heat canned in the first place. Don't throw out anything if the can is still intact: no dents, sharp dings, bulges or leaks. Don't throw any away without opening and checking it out. Short term (next few months) it's my opinion all should be well (even the fruit). It's not the same as cans kept in the garage for month after month of high temps. This was a quick shot and now it's all good again.
Old 12-19-2016, 05:35 PM
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Just cook and eat the stuff over the next couple of weeks and spend the money you would've spent on your meals on more canned stuff to put up. It'll be fine, it just might effect the long term life. So if you're worried, eat it sooner
 
Old 12-19-2016, 06:28 PM
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Reminds me of a news story I heard several years ago. It was in Pennsylvania. On the 4th of July these boys had fired off a bunch of illegal fireworks from the balcony of their apartment. They had some left and decided to hide them in the oven. Later after drinking... they got hungry, and decided to cook a frozen pizza they had. So they preheated the oven...burned down the entire apartment building.
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Old 12-19-2016, 06:30 PM
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Quote:
Originally Posted by jfone View Post
...So, what do you think the safety of the canned goods might be? I expect the fruit should be tossed, but what about the beans & franks or the condensed soups etc..... None of the cans are bulging or anything & we let them cool down slowly.
As far as safety is concerned, they're no more/less safe than than before they got heated -- assuming there were no leaks followed by sitting around at room temp for a few days. You said they didn't even bulge, so leaks seem unlikely (and they probably never got half as hot as you guessed). They were probably packed at around that temp.

The seals may be minimally compromised, so their shelf life in that regard has probably been shortened by some slight amount. The only thing that really happened to them was some slight degradation of the texture and some vitamin content, if they actually got hot.
Old 12-19-2016, 06:39 PM
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If it takes twenty minutes to get to 260 you may need a new oven.
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Old 12-19-2016, 09:33 PM
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Originally Posted by sigmund View Post
If it takes twenty minutes to get to 260 you may need a new oven.
Yep - that's part of the reason it's no longer the primary oven. When it does get up to cooking temp it stays there & cooks even. As it is. we use less electricity using the smaller oven
& it doesn.t heat up the entire kitchen. It's a toaster oven/rotisserie so it is a great size for just the 2 of us. Holds a nice size whole chicken, our most often used pair of casserole dishes, 2 loaf pans if I want to bake bread........

I'm keeping my eye on craigslist for another oven, simply because it does need to be replaced eventually. We've had really good success there, especially since I have the time to pass on the not so great ones. It would be a different story if we regularly had to cook bigger meals, but the small one & the stove top for skillet or pressure cooker works for us & of course the crock pot.
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Old 12-19-2016, 11:55 PM
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My concern would be a compromised lining in the can; Which, if the lining is compromised, you wont know it till you open it. I would put all the cans on the menu over the next couple of weeks
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Old 12-20-2016, 03:14 AM
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My concern would be a compromised lining in the can; Which, if the lining is compromised, you wont know it till you open it. I would put all the cans on the menu over the next couple of weeks
Ditto. And next time, put them under the bed or something. Never store anything inside an oven that will be a problem heated to oven temp--someone will always forget, sooner or later, that the oven isn't empty.
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Old 12-29-2016, 12:48 PM
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Ditto. And next time, put them under the bed or something. Never store anything inside an oven that will be a problem heated to oven temp--someone will always forget, sooner or later, that the oven isn't empty.
My wife likes to store the iron skillets in the oven and every time I go to use it I forget and have two hot skillets to deal with. Yes we all forget, even if we know better.
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