How long does cooked mashed potato last in the fridge?
three days
How long are leftover mashed potatoes good?
To be more specific, the FDA recommends keeping mashed potatoes in the refrigerator for no longer than four days. Please remember to inspect your leftover mashed potatoes before reheating them. Even if your mashed potatoes were in the fridge for less than four days, they could go bad sooner.
Can you get sick from eating old mashed potatoes?
The health risks of eating spoiled potatoes Cooked potatoes carry a high risk of food poisoning. After a few days, they may begin to harbor pathogens and bacteria that could result in illnesses, such as salmonella, listeria, botulism, and staphylococcal food poisoning.