How long do cooked sweet potatoes last in the fridge or freezer? The exact answer to that question depends to a large extent on storage conditions — refrigerate sweet potatoes (including mashed and baked sweet potatoes) within two hours of cooking.
To maximize the shelf life of cooked sweet potatoes for safety and quality, refrigerate the sweet potatoes in shallow airtight containers or resealable plastic bags.
Properly stored, cooked sweet potatoes will last for 3 to 5 days in the refrigerator.
How long can cooked sweet potatoes be left at room temperature? Bacteria grow rapidly at temperatures between 40 °F and 140 °F; cooked sweet potatoes should be discarded if left out for more than 2 hours at room temperature.
To further extend the shelf life of cooked sweet potatoes, freeze them.
To freeze whole baked sweet potatoes: Wrap potatoes individually in foil and then place together in heavy-duty freezer bags or airtight containers.
To freeze boiled and sliced or mashed sweet potatoes: sprinkle first with a small amount of lemon juice to prevent discoloration and then place in covered airtight containers or heavy-duty freezer bags.
How long do cooked sweet potatoes last in the freezer? Properly stored, they will maintain best quality for 10 to 12 months, but will remain safe beyond that time.
The freezer time shown is for best quality only — cooked sweet potatoes that have been kept constantly frozen at 0° F will keep safe indefinitely.
How long do cooked sweet potatoes last after being frozen and thawed? Cooked sweet potatoes that have been thawed in the fridge can be kept for an additional 3 to 4 days in the refrigerator before cooking; sweet potatoes that were thawed in the microwave or in cold water should be eaten immediately.
How to tell if cooked sweet potatoes are bad? The best way is to smell and look at the sweet potatoes: discard any that have an off smell or appearance, do not taste first.
Sources: For details about data sources used for food storage information, please