Refrigerator canning leftovers

Refrigerator canning is a term I made up, or borrowed from, I don’t know exactly where. It is processing a hot liquid—usually leftover soup or tomato sauce—in pint or quart jars in order to keep in the refrigerator a lot longer than normal. I do this ever few weeks all winter long. You can do it any time you have a liquid based leftover you want to preserve a bit longer.

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