Questions about food being preserved into glass jars, metal cans, or other air-tight containers using a variety of heat treatment steps to ensure an reasonable level of pasteurisation and/or sterilisation

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12
votes
2answers
2k views

How to recover jam that has set too hard?

Every time I make jam I always manage to set it too hard. Is there any way to recover it once it's done this?
8
votes
3answers
277 views

Pressure canning instructions

Where can safe and reliable instructions be found for canning? Including high and low altitude canning.