Shelf Life Tips
- How long does a package of instant mashed potatoes last? The precise answer depends to a large extent on storage conditions - to maximize the shelf life of instant mashed potatoes store in a cool, dry area.
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How long do instant mashed potatoes last at room temperature? Properly stored, a package of instant mashed potatoes will generally stay at best quality for about 12-18 months at room temperature.
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To maximize the shelf life of instant mashed potatoes once the package is opened, transfer instant mashed potatoes to a covered airtight container or place original instant mashed potatoes bag in a resealable plastic freezer bag.
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Are instant mashed potatoes safe to use after the "expiration" date on the package? Yes, provided it is properly stored and the package is undamaged - commercially packaged instant mashed potatoes will typically carry a " Best By," "Best if Used By," "Best Before", or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the instant mashed potatoes will remain at peak quality.
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Storage time shown is for best quality only - after that, the instant mashed potatoes mix's texture, color or flavor may change, but in most cases, it will still be safe to consume if it has been stored properly, the package is undamaged, and there are no signs of spoilage (see below).
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How can you tell if instant mashed potatoes are bad or spoiled? The best way is to smell and look at the instant mashed potatoes mix: if the instant mashed potatoes develop an off odor, flavor or appearance, or if mold appears, they should be discarded.
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Sources: For details about data sources used for food storage information, please click here
