Question: how long can i keep sweet potatoes in water?
Answer: Cover the cut, raw sweet potatoes completely with cold water and refrigerate; use the cut sweet potatoes within 24 hours. How long do sweet potatoes last in the fridge once they have been cooked? Cooked sweet potatoes will usually stay good for 3 to 5 days in the refrigerator and 10 to 12 months in the freezer.