I made strawberry jam today and canned it in Ball jars via the Blue Chair Jam cookbook method. For any unfamiliar with this method, you sterilize the jars by leaving them in a 250 F oven for 30 minutes, add the hot jam, put on the lids and return the jars to the oven for 15 minutes more. Once removed from the oven, the seals on the jars activate. However, this time I had several jars that didn't seal. Can I reprocess these jars? I only removed them from the oven about 1 1/2 hours ago. I don't want to compromise the safety of the jam by partially cooling, then reheating in the canning process. What do you guys think? Put them back in the oven or leave them as is?
From our grain-free goddesses at Sweet Laurel Bakery.
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