How Can I Store Mashed Potatoes at Ambient Temperature?

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April 6, 20110 found this helpful

I am not sure about cooked and/or mashed but you will need to do 'canning'. Here is a link for how to can peeled and cubed raw potatoes but you might want to check out a few other sites to be sure you understand 'safe canning' or you will risk getting food poisoning if not done and sealed correctly.
www.pickyourown.org/canning_potatoes.htm

Hopefully someone else here at ThriftyFun can give you more tips and links on canning potatoes :-)

Oh, and here's another link that will give you a guideline of how long the shelf life is for properly processed home canned foods:

One other thing to keep in mind is that no cooked food is safe at ambient/room temperature for more than three to four hours. Even leaving out in a closed container for longer than that is risking food poisoning. Please refrigerate or freeze cooked foods, even potatoes, as soon as possible.