13 Foods To Never Reheat In A Microwave

13 Foods To Never Reheat In A Microwave


The microwave is a convenient, easy to use, and a super quick way to heat up your leftover foods. While food is never quite as good coming out of a microwave as when it’s fresh, we can’t deny that it’s a good way to get warm food with minimal effort.

But there are some foods that should never be microwaved. Sometimes, it ruins the food completely. Sometimes, it’s because it can pose a safety hazard. Whatever the case, these are some foods to never reheat in a microwave.

Here Are 13 Foods To Never Reheat In A Microwave

1.    Rice

Microwaving rice the wrong way can lead to something called fried rice syndrome, which is a type of food poisoning caused by the Bacillus cereus bacteria. These types of bacteria can even live on through being cooked, and when rice is left out at room temperature, this bacteria can truly flourish.

  • It not that microwaving rice is bad – it’s that doing so the wrong way is just plain bad for your gut.
  • Rice should only be left out to cool for less than an hour before being put straight into the fridge.
  • Then, when reheated, the rice has to be reheated completely.

And if you’re thinking of heating up rice that has been around for more than a day by placing it in the microwave, don’t. It’s not worth the food poisoning. Just throw it out.

2.    Hot Chili Peppers

Chili peppers contain a component known as capsaicin, and this is essentially what causes them to be so hot and spicy. When you put these peppers in the microwave, though, the extremely high temperatures cause those compounds to vaporize. Luckily, this won’t cause them to explode.

But as you can imagine, this means that the steam that these peppers give off is going to be pretty intense. It can burn your throat and eyes due to how hot it is; this is so serious that people have had to evacuate buildings due to microwaved peppers! They may not explode, but what really happens isn’t much better.

3.    Broccoli

Yes, this vegetable is very easy to heat up in the microwave. But it’s a waste to nuke broccoli, as it causes a whopping 97% of all its nutritional content to vanish.

On top of that, cooking broccoli normally already removes a lot of its naturally positive benefits. Steamed broccoli has 11% of its antioxidants completely stripped off – so you can only imagine what microwaving does!

4.    Potatoes

The good news is that it’s okay to put uncooked potatoes in a microwave, no problem. But if that’s the case, why is it on this list? Well, reheating potatoes that have already been cooked is the true problem.

Potatoes contain C. botulinum, which is a kind of bacteria that grows on potatoes and can cause severe health issues. When cooked in aluminum foil, the bacteria are protected within the foil, so you have to eat it as soon as possible.

  • This means eating leftover potatoes is generally not a great idea.
  • If you really must, put them back in the oven without foil; this can heat and kill the bacteria.
  • Putting them in a microwave is a sure way to find yourself with a contaminated potato that may just make you very, very sick.

5.    Chicken

Popping chicken in the microwave is unquestionably bad for you. Why? First, understand that microwaves aren’t particularly known for killing off bad bacteria reliably. Now, chicken is a food that is very, very prone to bacteria growth, especially salmonella. See the problem now?

Raw chicken needs to be thoroughly cooked in order to kill the bacteria within them. Studies have found that those who cook chicken in a skillet are entirely fine, while those who use a microwave to cook their chicken can wind up with some form of illness. This is because salmonella bacteria survive through the heating process. It’s safe to say chicken is one of the most obvious foods to never reheat in a microwave!


6.    Mushrooms

If you’ve already cooked mushrooms and there are leftovers, it may be better to throw them out right away or commit to reheating them absolutely properly. This is because mushrooms, like other types of fungi, are extremely vulnerable to bad bacteria and other microorganisms.

  • It is very difficult to store and then reheat mushrooms in the exact right way.
  • Try to prepare only the amount of mushrooms you want instead of overcooking.
  • In most cases, any kind of reheated mushroom – not just ones tossed in the microwave – are likely to give you a tummy ache.
  • You can also put the mushrooms straight into the fridge after cooking them and enjoy them cold if desired.

7.    Eggs

Whole eggs with shells on them should never be boiled in the microwave. The extreme temperatures reached during the microwaving process can lead to a lot of internal pressure. This goes for microwaving already hard-boiled eggs, too. Basically, eggs have a history of exploding in a rush of painfully hot steam and causing burns.

Unfortunately, even unshelled eggs are not safe from this, as the inside of the egg can still experience a buildup of steam within. This means that when you cut open the egg, the extremely hot steam can rush out on your hands and/or face.

8.    Fruit

Specifically, we’re talking about frozen fruit. But why would anyone put frozen fruit in the microwave? Well, apparently, some people find zapping them in the device for a short while is a quick way to defrost fruit they’ve forgotten to move out of the freezer.

What’s the issue with this? Doing so actually opens up fruit to receiving carcinogens, effectively removing a lot of the positive properties and health benefits you would have gotten from them.

On top of that, it can lead to illness and cause your immune system to go down when you eat those forcefully defrosted fruits later. Your best bet is to simply defrost frozen fruit in your fridge a few hours before they’re needed, or even overnight.

9.    Red Sauces

Red pasta sauce can still taste delicious after being nuked in the microwave. But there’s just one problem. No matter how short of a time you’re trying to microwave a vat of red pasta sauce, it is going to explode and ruin the inside of your microwave.

The tomato chunks in red pasta sauces can block steam from escaping the sauce properly. Then, all of a sudden, the sauce explodes outwards due to built-up pressure – and you’ll be left to clean up the horrible mess that comes out of it.

Even if there aren’t tomato chunks in our pasta sauce, it’s likely still going to be too thick to have the steam escape from within easily. It’s best to put a saucepan on the stove and stir the sauce on low heat until it’s warm instead.

10. Processed Meat

All processed meats are generally unhealthy thanks to all the preservatives they are stuffed with that help them extend their shelf life. When you microwave those meats, though, the bad chemicals within the processed and refined foods begin to change in composition, making them even worse for you.

The resulting microwaved processed meats may contain oxidized cholesterol thanks to the radiation from the microwave. This can, in turn, cause an increased risk of heart disease. Not to mention that processed meats have all sorts of bad effects, from causing weight gain to resulting in decreased positive thinking, and even lessen your energy levels.

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