How long does marshmallows last?

Marshmallows keeps 1 year in the pantry.

SHELF STABLE

Where	How long
Pantry, unopened	1 year
Pantry, opened	1 month

Times are for best quality when stored at safe temperatures, from the USDA FSIS FoodKeeper. Food kept frozen at 0°F stays safe indefinitely; the freezer time is for quality. Throw out cans that are bulging, leaking or badly dented.

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