10 Plant Foods To NEVER Re-Heat In The Microwave Again!

I personally don’t own a microwave, and haven’t used one for at least ten years. I got used to re-heating my food on the stove-top, when possible, or just cooking quick fresh meals from scratch every time.

I do realize, though, that not everyone has the luxury of cooking so often, or simply doesn’t like eating food that has not been re-heated (as I often do that as well). The microwave can be a convenient way to have a warm meal, and although it doesn’t taste like the one that has just been cooked, it restores some of its taste qualities as opposed to a cold meal just out of the fridge.

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.


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Toothsomely Delicious Vegan Fried 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 through.

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.


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.


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!


Delectably Cheesy Loaded Vegan Potato Skins
Recipe here

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 is 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.


Vegan Joy Alert! Mushroom Meat Is Coming Soon! (and it's pure non-GMO stuff)

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.


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.


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.


Putting bread in the microwave for a variation of warm toast isn’t going to end very well for you. It isn’t going to cause any health or safety hazards, luckily, so there’s a positive. Still, we wouldn’t recommend trying to reheat bread in the microwave.

The gluten within it, as well as the sugar and starch, gets a little weird when it is microwaved.

Then, when the bread cools off so you can eat it without yelping at the heat, a reaction occurs that leads to bread to go very hard and chewy. That’s a surefire way to ruin a snack!

So, what should you do instead? Use foil to wrap your bread and put it in the oven. Although it takes just a touch longer, it will also taste and feel much better.


Leafy green foods such as spinach, celery, kale, and more often find their way into our leftovers. But electrical engineering professor Mark Golkowski explains that some vegetables have different properties that can actually cause microwaves to spark. This will not only burn your veggies, but it may also break your appliance.

In addition, some studies have found that many leafy greens contain nitrates that, when exposed to a microwave’s heating process, can turn into nitrosamines. These nitrosamines are actually worryingly carcinogenic, removing all positive qualities of your greens and making them dangerous.


Taking some leftovers out of your fridge and heating them up in any way at all is something you can only do once. The more times you have cooled, heated, cooled, heated, and cooled and heated food again, the greater the chances that bacteria has grown on the food and become dangerous to eat.

This means you should portion your leftovers. Take only what you need and reheat just that, and leave the rest in the fridge for later.

It doesn’t matter if you reheat on the stove first and want to reheat in the microwave next; it’s all bad when you’re reheating too many times.


There are plenty of reasons that the microwave isn’t the best option to reheat food. With that being said, we totally understand the appeal. Still, it maybe isn’t the best idea to microwave these particular foods unless you want to deal with negative aftermath ranging from digestive issues to illness, and from explosions to messes.

But don’t worry! Practice some positive thinking and turn to the stove, or even an oven, instead. You’d be surprised how much better food can taste when not reheated the so-called lazy way. The fact that these other reheating methods don’t cause food poisoning or pressurized steam attacks is even more of a welcome bonus!

And to enjoy MORE freshly cooked meals with as little effort as possible, Download The 928 Tastiest Vegan Recipes From Around The World – the BEST and BIGGEST collection of plant-based meals, hand-picked from the world’s BEST cookbooks to provide you with a limitless amount of ideas and quick solutions for healthy, delicious meals that don’t take ages to prepare!