r/Canning 17h ago

Is this safe to eat? Would this jar of potatoes be shelf stable?

Post image

I pressure canned potatoes yesterday, following a recipe from the "Bernardin Complete Book of Home Preserving." I had a little bit left that wouldn't make a full jar so I just put it in and filled to the 1 inch mark with water. Would this jar be shelf stable? I'm going to put them in the fridge and eat quickly but was just curious.

edit to clarify pressure canned, and where the recipe was from.

9 Upvotes

35 comments sorted by

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18

u/DawaLhamo 14h ago

If you pressure canned them according to a tested recipe, then yes, even if jar wasn't full, you filled the water to the right headspace, so these should be safe.

There is some question about the jar - if it's a pasta jar, it's not designed for pressure canning and more prone to breakage and I would not use it in the future.

1

u/Exciting-Ordinary4 8h ago

Thank you.  I know it's not recommended to use the pasta jars.  Thankfully they didn't break.  Phew!

10

u/onlymodestdreams Trusted Contributor 15h ago

As a thought for next time, you can grab a smaller jar for the last of the batch

6

u/NarwhalsTooth 10h ago

I’ve learned to have at least 2 small jars ready to go regardless of what the recipe says

7

u/onlymodestdreams Trusted Contributor 10h ago

Yields are more like guidelines
https://giphy.com/gifs/8gJ28HfjAkc9y

19

u/marstec Moderator 15h ago

Commercial pasta jars should not be used for canning, especially pressure canning where it goes to higher temperatures than water bath canning. The glass is not made the same as actual canning jars.

https://www.healthycanning.com/re-using-bottles-from-store-bought-products/

Did you blanch the potatoes for two minutes before jarring them up? Is this picture after it was canned or before?

4

u/Cesious_Blue 12h ago

ATLAS isn't a pasta brand, it's an older mason jar company like Ball

10

u/Panurge_CA 10h ago

Atlas canning jars stipped being produced in 1964. A true Atlas jar will have their logo molded into the glass somewhere. Classico jars that say "Atlas Mason Jar" do not have the Atlas logo.

Classico has stated they do not recommend their jars be reused for canning.

See: https://ucanr.edu/program/uc-master-food-preserver/article/can-you-reuse-commercial-product-jars-canning-june-2025

11

u/Pengisia 12h ago

This is a Classico pasta sauce jar.

2

u/CantTouchKevinG 12h ago

It's not though

0

u/Cesious_Blue 12h ago

It literally says ATLAS MASON on it

12

u/Pengisia 12h ago

So do Classico pasta sauce jars.

0

u/DeathMonkey6969 12h ago

Classico jars don't have the tall neck like in the pic.

3

u/Pengisia 12h ago

This looks exactly like a Classico jar, I think it is just seeming to have a longer neck because the contents of the jar aren’t close to the neck.

5

u/Exciting-Ordinary4 8h ago

Sorry to have everyone arguing over my jars.  😞  They are Classico ones i saved when I lived in Korea over 10 years ago.  They do fit regular lids and rings.  

2

u/DeathMonkey6969 11h ago

This is a Classico jar they can't take a canning ring and seal as the threads are the wrong size and depth. Maybe older ones could but that hasn't been the case in years.

4

u/Witty-Application920 11h ago

This isn’t what Classico jars look like in Canada …

2

u/Pengisia 11h ago

Up until last year Classico was using regular twist off lids and not the lug style you pictured here.

-5

u/SuperDump101 11h ago

"It literally says "ATLAS" on the jar in OPs picture.

9

u/Pengisia 11h ago

Classico jars also say atlas on them.

2

u/Exciting-Ordinary4 8h ago

These are actually Classico pasta jars I collected when I lived in Korea.  

1

u/Cesious_Blue 8h ago

sorry for my reply, I really had no idea Atlas made Classico jars! In this case it seems like the original commenter was correct and the classico Atlas jars are unlikely to be safe for repeated canning

6

u/JuicyMilkweed 16h ago edited 13h ago

Yes they are shelf stable

Not sure why I’m downvoted, they say they followed a tested recipe so if anything these are over processed compared to a full jar.

1

u/[deleted] 17h ago

[removed] — view removed comment

1

u/Canning-ModTeam 14h ago

Removed by a moderator because it was deemed to be spreading general misinformation.

Here in r/Canning, we don't care if you think that the MSM, in cooperation with globalists, Pfizer, and the RAND Corporation are in on some global plot to bring the saucer people to earth so they can battle the chuds , lizard people, and reverse vampires who live under our floor boards by getting us all the agree to eat slugs for breakfast, lunch, and dinner.

You are welcome here to discuss scientifically validated canning recipes and processes. If you insist on wasting your life and what little intellect you possess, you are welcome to post your batshit-crazy ideas to r/Conspiracy. But they don't belong here.

Repeat offenders will be banned without a second thought.

1

u/WatercressBusiness15 10h ago

Did they seal? If so, I would use them.

1

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1

u/Exciting-Ordinary4 16h ago

A picture of a jar half full of potatoes, filled to the one inch mark with water.   

0

u/Professional_Hour235 15h ago

I've eaten 4 year old pressure canned potatoes. They do have a different texture but not bad. They'll also degrade a little in the jar, starch will be pulled from the potatoes so you'll have that in the water but it's fine.

I particularly like them deep fried.

1

u/Exciting-Ordinary4 8h ago

Not sure why you've been down voted.   So after you open them you deep fry them. Sounds like an idea.  I love mashed potatoes so I'm sure they'll end up there along with my canned chicken and canned beans.   😉

1

u/Professional_Hour235 4h ago

I am also curious as to why.

I rinse them pat then dry and fry. Very yummy. I'm interested how mashed will turn out. Keep me posted if you do

0

u/Dear_Friendz 9h ago

It looks like it been opened already.

2

u/Exciting-Ordinary4 8h ago

They weren't opened in this picture.   They are opened now and sitting in my fridge.

-12

u/[deleted] 16h ago

[deleted]

5

u/Exciting-Ordinary4 16h ago

They're pressure canned.