Hey, I'm trying to understand the method of preserving anchovy tapenade in a glass jar for commercial purposes in order to gain a shelf life of 6 months or more (ambient). For instance, fish or meat can be preserved in a glass jar via pressure canner.
Sergun, I don't know where you are but if you are in the U.S. your local extension service should have information about safe canning of fish products. Good luck.
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Maybe others have relevant commercial experience.