7 foods you must never reheat (2024)

Did you know that reheating oil can release toxic fumes and harmful free-radicals?

7 foods you must never reheat (1)

Owing to our busy schedules, most of us resort to reheating cooked food just so we can save some time.

Reheated food often becomes carcinogenic and ends up poisoning the body.

Shockingly, these foods are often items we prepare and consume every single day.

Here's a list of foods you must never reheat and ways in which you can use them once they are part of the 'leftover' list.

1. Chicken

Chicken is a rich source of protein, however, reheating causes a change in composition of protein.

You shouldn't reheat it because:

This protein-rich food when reheated can give you digestive troubles.

That's because the protein-rich foods get denatured or broken down when cooked.

However, if they are constantly heated this property of breaking down can instead make chicken difficult to digest.

What you can do instead?

You can use the leftover chicken in salads or sandwich, or re-cook the chicken on the stove on a very low flame.

2. Potatoes

How many times have you just reheated this food?

One of the most commonly used food item, potatoes are often used in most households during several meals in a day, sometimes, all the meals. But this is not the best practice.

You shouldn't reheat it because

It is rich starchy food that has many health benefits.

When reheated it promotes the growth of botulism a rare bacteria. However, it can't be killed by reheating in microwave. It may instead lead to food-poisoning.

What can you do instead?

The best way is it to re-cook them in a shallow pan.

3. Spinach

Popeye's favourite food is very nutritious but you must avoid reheating them.

You shouldn't reheat it because:

It contains a lot of nitrates which convert to nitrites when reheated, and nitrites are carcinogenic in nature.

What can you do instead?

You can either eat it after steaming it or just cool it quickly and keep it below 5 degrees celsius to prevent nitrite production.

4. Oil

Many times you reheat the leftover cooking oil and prepare pakodas not realising that it can greatly harm your body.

You shouldn't reheat it because

You should know that your cooking oil should be heated at a low flame, thereby, helping it release less smoke.

In case you reheat previously heated oil, it is likely to release toxic fumes and harmful free-radicals.

What can you do instead?

The best way would be to discard the oil and not re-use it.

5. Beetroot

You shouldn't reheat it because:

Beetroots just like spinach are nitrate-rich foods.

Reheating them converts nitrates to nitrites which is carcinogenic to the body and can also give you a stomach ache.

What can you do instead?

If there's any leftover rather than reheating it's better to eat it cold.

6. Rice

Rice is the most common leftover item in our kitchen and also most commonly reheated food.

However, it's best to avoid reheating it in a microwave.

You shouldn't reheat it because

Uncooked rice contains spores of bacteria and reheating it does not kill this bacteria.

So, if the rice is left standing at room temperature, the spores automatically multiply.

This may prove to be toxic and cause vomiting and even diarrhea.

What can you do instead?

Boil water and add the leftover rice to it.

Don't over-boil the rice as it would become soggy.

You'll find that the rice would look and taste as good as new.

7. Eggs

This staple breakfast food also should not be reheated.

Best known as a protein powerhouse, reheating boiled or scrambled eggs should be avoided.

You shouldn't reheat it because

The protein in eggs is destroyed once it's exposed to heat over and over again.

Also they become toxic and unfit for consumption once they have been cooked.

What can you do instead?

You can chop the boiled eggs and use them in a green salad.

Lead image -- a still from Chef -- used for representational purposes only.

7 foods you must never reheat (2)

7 foods you must never reheat (3)

7 foods you must never reheat (2024)

FAQs

What foods should never be reheated? ›

  • Oct 17, 2023, 07:14 PM IST. 7 Foods Items That Can Turn Toxic When Reheated. ...
  • Vegetables With High Amounts of Nitrate. Vegetables with high amounts of nitrate, like carrots, turnips, celery, or spinach, can turn toxic when reheated. ...
  • Rice. ...
  • Potatoes. ...
  • Mushrooms. ...
  • Cold Pressed Oil. ...
  • Eggs. ...
  • Chicken.
Oct 17, 2023

Why should you not reheat potatoes? ›

Even though a popular food item, it isn't too safe to reheat potatoes. A bacteria called Clostridium botulinum that releases a toxic chemical would be grown if cooked potatoes are kept at room temperature for longer. So, leftover potatoes should be stored in the fridge.

Why shouldn't you reheat chicken? ›

“How long the product has been stored in the refrigerator before reheating tends to be the driving factor affecting oxidation.” But pairing a rubbery texture with an unavoidable off flavor is double the reason not to microwave cooked chicken leftovers.

Why should you not reheat eggs? ›

Eggs. Nicolaisen and Stevens say you should avoid eating leftover eggs. "Other than the texture becoming rubbery, reheating eggs can be bad for you if reheated too long or multiple times," Nicolaisen explained. "Eggs turn green from overcooking by the nitrogen oxidizing, and therefore can actually make you sick."

What food should not be heated? ›

Four foods you should avoid reheating – and one you can
  • Chicken. Chicken and other poultry have a certain amount of salmonella contamination as standard, as do eggs. ...
  • Rice. The bacteria which can grow readily on rice does not always die on re-heating (Getty Images) ...
  • Potatoes. ...
  • Mushrooms.
Feb 22, 2016

What foods not to microwave? ›

10 Things You Should Never Put in the Microwave
  • Chili Peppers.
  • Hard-Boiled Eggs.
  • Styrofoam.
  • Takeout Containers.
  • Mug of Water.
  • Grapes.
  • Leftover Potatoes.
  • Processed Meats.
Jan 27, 2023

What meat can you not reheat? ›

The protein in chicken starts to deteriorate and causes digestive problems when it goes from cold to hot the second time around. A general rule of thumb if you want to enjoy leftover chicken warm is to reheat it in the microwave, a skillet, or the oven only one time after the original preparation.

Why you shouldn't microwave potatoes? ›

The rapid heating can cause the granules to burst, and release sticky, gelatinized starch. The result: A gluey potato that's also often marred by hard nodules where the starch has crystallized.

Is reheating mashed potatoes safe? ›

There's nothing wrong with reheating leftover mashed potatoes the next day. We look forward to leftovers from a good meal. But revamping them into something entirely new is not to be overlooked. Turn those basic mashed potatoes into a hearty meal.

Is reheating in the microwave bad? ›

Microwaves are a safe, effective, and highly convenient cooking method. There is no evidence that they cause harm — and some evidence that they are even better than other cooking methods at preserving nutrients and preventing the formation of harmful compounds. Still, you should not: overheat or underheat your food.

Why can't you microwave chicken? ›

When chicken is reheated to that internal temperature of 165°F, bacteria are again eliminated. But microwaves don't do a great job of that compared with ovens and stovetops. According to the World Health Organization (WHO), microwaves don't penetrate thick pieces of food very well, which can lead to uneven heating.

Can you reheat pasta? ›

Pasta can be reheated to no ill effect, but the key is in doing it well to avoid soggy pasta or a bowl of dried-up noodles. You also want to consider what's in the dish as you want to be careful not to overcook the proteins or vegetables, for example.

Can you eat 2 week old hard-boiled eggs? ›

The FDA recommends consuming hard-boiled eggs within a week, and two weeks is well past that deadline. Since spoiled hard-boiled eggs can make you sick, it's best to be safe and toss out any leftover hard-boiled eggs that have been in the fridge for more than one week.

What vegetables should not be reheated? ›

Vegetables with High Amounts of Nitrates If you have spinach or any green leafy vegetables, carrot, turnip or even celery, avoid reheating them in the microwave. These nitrate rich vegetables when heated again can turn toxic, releasing carcinogenic properties, which are generally cancerous in nature.

Is it okay to eat leftover scrambled eggs? ›

Refrigerate leftover cooked egg dishes and use within 3 to 4 days.

Is there a danger reheating food? ›

When it comes to reheating foods, toxins pose the greatest risk of illness. The risk increases in foods which have been poorly handled or cooled too slowly after initial cooking or reheating, since these conditions may allow toxin-producing bacteria to grow and proliferate.

When can you not reheat food? ›

the danger of bacteria breeding in food when food is neither steaming hot throughout nor cold. This includes, for example, food that is only partially reheated or 'warmed' rather than thoroughly reheated. that reheating foods can carry risk of foodborne disease even if the food is not raw or being cooked from scratch.

Why is reheated food never as good? ›

One particularly notorious oxidation reaction is known as the “warmed-over flavor,” an unpleasant taste that some people encounter when eating reheated meats like pork or chicken, Luck said.

What food will not be cooked or reheated before serving? ›

Ready-to-eat food is food that will not be cooked or reheated before serving. This includes salads, cooked meats, smoked fish, desserts, sandwiches, cheese and food that you have cooked in advance to serve cold.

Top Articles
Latest Posts
Article information

Author: Velia Krajcik

Last Updated:

Views: 5965

Rating: 4.3 / 5 (54 voted)

Reviews: 93% of readers found this page helpful

Author information

Name: Velia Krajcik

Birthday: 1996-07-27

Address: 520 Balistreri Mount, South Armand, OR 60528

Phone: +466880739437

Job: Future Retail Associate

Hobby: Polo, Scouting, Worldbuilding, Cosplaying, Photography, Rowing, Nordic skating

Introduction: My name is Velia Krajcik, I am a handsome, clean, lucky, gleaming, magnificent, proud, glorious person who loves writing and wants to share my knowledge and understanding with you.