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FOOD STORAGE — HOW LONG CAN YOU KEEP...

POTATOES (ALL VARIETIES EXCEPT SWEET POTATOES AND YAMS) — FRESH, COOKED (INCLUDING BAKED, MASHED, SCALLOPED)

RefrigeratorRefrigerator
Blue Arrow Blue Arrow 3-5 days
Freezer Freezer
Blue Arrow Blue Arrow 10-12 months
Tips
  • The precise answer to the question “How long do mashed potatoes last?” depends to a large extent on storage conditions — refrigerate all cooked potatoes (including mashed, baked, boiled, scalloped) within two hours of cooking.
  • To maximize the shelf life of leftover mashed potatoes and other cooked potatoes, refrigerate in covered airtight containers or wrap tightly with heavy-duty aluminum foil or plastic wrap.
  • To further extend the shelf life of mashed potatoes, freeze them; freeze in covered airtight containers or heavy-duty freezer bags.
  • How long do mashed potatoes last in the freezer for safety purposes? The freezer time shown is for best quality only — foods kept constantly frozen at 0° F will keep safe indefinitely.
  • Whole baked or boiled potatoes will be watery when thawed, and freezing is not recommended.
  • How long do mashed potatoes and other cooked potatoes last at room temperature? Bacteria grow rapidly at temperatures between 40 °F and 140 °F; cooked potatoes should be discarded if left for more than 2 hours at room temperature.
  • How to tell if mashed potatoes or other cooked potatoes are bad? The best way is to smell and look at the potatoes; discard any cooked potatoes with an off smell or appearance, do not taste the potatoes first.

Sources: For details about data sources used for food storage information, please click here.

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