Mashed potatoes should easily last three to five days in the fridge if stored correctly and within two hours of cooking. This means ensuring there isn't any moisture buildup under the lid that could encourage the growth of bacteria.30 Sept 2018

How can you tell if mashed potatoes are bad?

For mashed potatoes, they are starting to get old when the liquid begins to separate from the solid. At first the liquid is fairly clear and can be mixed back in and used, but then the liquid will form a white haze and the potatoes will smell sour — at which point you need to toss the mashed potatoes.

How long can you keep cooked mashed potatoes in the fridge?

Storing and using up leftover mash Our home economist Steffi recommends keeping leftover mash in the fridge for up to three days. You can also freeze it for up to two months. When it comes to defrosting, leave it in the fridge overnight to thaw completely.

Do mashed potatoes go bad in the fridge?

The exact answer to that question depends to a large extent on storage conditions — refrigerate all cooked potatoes (including baked, scalloped, roasted and mashed potatoes) within two hours of cooking. … Properly stored, cooked potatoes will last for 3 to 5 days in the refrigerator.

Can you eat 5 day old mashed potatoes?

Leftover mashed potatoes are good for no more than four days in the refrigerator when packaged in an airtight container and popped inside within two hours of cooking (bringing down from the heat).

Do mashed potato expire?

POTATOES, PACKAGED INSTANT MIX — UNOPENED OR OPENED Properly stored, a package of instant mashed potatoes will generally stay at best quality for about 12-18 months at room temperature.

Can I eat week old mashed potatoes?

How Long You Can Keep Leftover Mashed Potatoes. Mashed potatoes should easily last three to five days in the fridge if stored correctly and within two hours of cooking. This means ensuring there isn't any moisture buildup under the lid that could encourage the growth of bacteria.

What happens if you eat old mashed potatoes?

The health risks of eating spoiled potatoes 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.