Must all jars of home canned foods be heat processed?
Yes, all jars of home canned foods that will be stored at room temperature must be heat processed to assure shelf stability and food safety. There are only two methods for heat processing home canned foods that are considered safe: boiling water canner for high acid foods and pressure canner for low acid foods. More detailed information on heat processing is found in Canning Basics and Step-by-Step.
