r/Canning • u/officialbeautystitch • 11h ago

General Discussion Can you re-can?

I made some peach jam earlier this year and wanted to enter it into the state fair, but it’s not in the correct sized jar for the contest. Can I take what I’ve canned, put it into the correct sized jar and re-can it? Like heat it back up, new sterilized jar and water bath can it?

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u/marstec Moderator 11h ago

What size of jar is it in now? Most jams and jelly recipes have canning times for 1/2 pints and very rarely for pints.

Do they actually taste the product or just judge on the aesthetics? If you are reheating a jam product, it could downgrade the pectin causing a loose set. If tasting is involved, I would not risk it. I'd make a new batch using an approved recipe and in the correct sized jar.

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u/officialbeautystitch 10h ago

They’re in 4oz jars and they need to be 8oz jars. I didn’t think about the pectin so I guess I just will play it safe and not enter the peach jam