Followed the Presto recipe for making/canning applesauce. Apple sauce was put into hot pint jars with 1/2” head space all per the recipe. Lids were finger tightened. Commenced with the processing portion and cooling portion all per the recipe. Upon opening the canner I found a lid/band had come off the jar. What would have caused a single jar to do this?
The first two pics are how I found the jars once the lid was removed.
by 2a_dramallama