Can You Put Styrofoam in the Oven? let’s find out.

Styrofoam In The Oven

Can styrofoam go into the oven? Absolutely not! Given the material that composes styrofoam, it is not only unhealthy but risky to put it in the oven.

Styrofoam is best for storing food in the fridge and a very safe option at that. The containers are airtight and in excellent sizes for food storage. Question is, Can You Put Styrofoam in the Oven? However, they start expanding at only water boiling point heat, so you can imagine if you tried to subject it to oven heat!

What is Styrofoam?


Styrofoam could mean expanded polystyrene beads, or it could stem from a blend of polystyrene and other materials. It is used in adding cushioning features to furniture while bringing an elegant storage container and cups outlook.

Polystyrene melts very easily, and the containers are even uncomfortable to handle when they have hot food or drinks. This is why the containers are unsuitable for heating food, whether in the oven, the microwave, or the air fryer.

What Is Styrofoam Used For?

Styrofoam has several uses in which it is excellent and top preferred, among them being:

  • Creation of food packaging containers and cups.
  • Packaging containers for nuts and also used in packaging to provide cushioning for delicate products such as electronics.
  • Creating amazing crafts such as cones and blocks.
  • Insulating fridges, roofs, and walls against thermal impact.

Putting Styrofoam in the Oven – Is It Safe?

No, it is not safe putting Styrofoam in the oven. Styrofoam is essentially expanded polystyrene, which gets damaged under high heat levels. The oven’s slowest mode is 165 degrees Celsius, while Styrofoam is already expanding at 100 degrees celsius.

By the time the oven is at its food reheating temperatures of over 190 degrees celsius, the styrofoam will melt. Therefore, the heat will cause damage to the container, and on top of that, cause damage your food.

Besides, by removing the food from the oven, the container material will have emitted deadly chemicals into the food. Thus, the food from the Styrofoam container will be unsafe for consumption.

What Is the Purpose of Styrofoam Food Packaging?

Styrofoam is great for packaging food, especially in restaurants and fast-food hotels. It is inexpensive, hence cost-effective for the restaurants to give away food.


The containers are also used as beverage cups, trays as well as coolers. Once you get home, you also find it convenient for food and beverage storage in the fridge. In any case, styrofoam has insulating features, which keep the foodwell in the fridge.

Other than the cooked food, styrofoam packages nuts, and more especially peanuts. They have an appealing outlook when in the container, but styrofoam also adds to the nuts’ lifespan.

What Temperatures Can Styrofoam Withstand?

Unfortunately, styrofoam can only hold in less than 212 degrees F, which is way less than required for heating food. You can already feel how weak it becomes in hot food, so it is only best for cooler foodstuffs and drinks.

The best part of this is that it is great for freezing temperatures while it cannot withstand hot temperatures. You can therefore put ice in the freezer using the container or freeze other foods.

Putting Styrofoam in the Oven – What’s the Melting Point?

The melting point of styrofoam is 240 degrees celsius, otherwise translating to 464 degrees Fahrenheit. This is not even close to the low food heating heat that the oven runs in.

Therefore, this only means that the low melting point makes that material unsuitable for heating and storing hot food. While styrofoam has insulating features, the harm it does to hot food supersedes the benefits.

Can You Put Styrofoam In The Oven- What Happens?

When you put styrofoam in the oven, it will first expand as the heat increases. Then, at 240 degrees celsius, styrofoam starts to melt and disintegrate, giving way. It will emit harmful chemicals to the food and the air in general.

Baking in the Oven Instead of Styrofoam – What to Use?

Rather than risk using styrofoam containers, there are several options that you can consider. They are not only safe but also highly available. Chances are you have at least one of the containers. They include:

  • Glass-ceramic pottery and utensils
  • Stainless steel pots
  • China utensils

Safe Materials for Reheating Food in the Oven

On top of the containers above, you can consider the following when reheating food in the oven:

  • Ordinary glass, but only over short periods
  • Fine bone material, but also suitable over short periods. Longer periods in the oven cause the materials to break
  • Any other metal such as aluminum will withstand the oven heat

What If You Accidentally Burn Styrofoam?

food in Styrofoam

Once in a while, you may find that you accidentally burnt styrofoam containers, especially if you had so many of them from stopover hotels and cafes. It is undeniable that the material releases extremely dangerous fumes to human health and the environment.

However, just a one-time accident may not cause you much harm, though it would be in your best interests to avoid reoccurrence.

What Happens When You Microwave Food in Styrofoam?

Unlike the oven, the microwave only causes the styrofoam containers to weaken. But is this any better? Absolutely not! Actually, it would be more dangerous than the oven because you assume that the food is fine simply because you did not see the damage.

Hence, it is best to avoid heating the food in styrofoam containers, whether in the oven or the microwave.

Microwave-Safe Styrofoam – What Is It?

Currently, styrofoam companies are coming up with microwave-safe styrofoam. Essentially, it can withstand the heat and waves in the microwave without releasing harmful chemicals.

However, it would be best to confirm that your styrofoam container is microwave-friendly before making risky assumptions.

Microwaving Food Safely

If you want to eat safe food that you have microwaved, follow the simple microwaving rules:

  • Always allow cold food to heat completely, and ensure that the heating is well-distributed.
  • Never heat food in weak plastic and Styrofoam containers

What Should You Use Styrofoam Containers For?

Use styrofoam containers to store cold food that is meant for the fridge or the freezer. The insulating feature will keep your food airtight and safe.

You can also use styrofoam containers to store nuts and cereals at home.

Microwave Safe vs. Oven Safe Styrofoam

While microwaves heat faster and are perfect for food reheating, they use different mechanisms from ovens. The oven heat is intense, which is why you will get microwave-friendly Styrofoam. On the contrary, Styrofoam is still unsuitable for the oven.

Frequently Asked Questions

  • Is it safe putting Styrofoam in the oven?

No, it is not. It will expand and, in most instances, melt under the hot oven temperatures, hence unsuitable.

  • Is styrofoam good for storing food in the fridge?

Yes, it is. It is perfect, as it will not cause harm the food while it remains a cheap storage material.

  • Which is the best material for heating food in the oven?

The best material for heating food in the oven is metal and ceramics, as they are neither affected by the heat nor unsafe.

  • Which is better for food reheating; the oven or the microwave?

The oven is the best for reheating food, as it does not soften the food. You get the same taste as the original cooked food. However, the microwave is faster, hence sometimes considered over the oven.

  • Is it okay to eat cold food?

Yes, it is. Though warm food is safer, consider treating yourself to a cold delicacy once in a while, as it will not do you harm.

Bottom Line

Can styrofoam go into the oven? Don’t even dare, as this will not be safe for you and your food. Besides, you have a spectrum of safe options for use in the oven, so you have no reason to risk Styrofoam.

How to Reheat Bloomin Onion: The Perfect Guide

How to Reheat Bloomin Onion

This is typically the question about “How to reheat bloomin onion” that every bloomin onion die-hard dies to get an answer for. Why? Basically, because it is hard to reheat the mouthwatering appetizer without damaging its form. 

Secondly, you can end up with a totally different taste and flavor that will get you wondering whether you should have reheated it in the first place. Worse still, having to throw away the leftover bloomin onion is the hardest thing for the lovers.

Why Bloomin Onion?

Bloomin onion, Why? If you just eat the toothsome delicacy and sometimes wonder why it has the name, well, here’s why. Bloomin onion basically looks like a blooming flower, whose petals you can easily pick individually.

How to Reheat Bloomin Onion

It was first presented to the world in 1988 by Outback Steakhouse, only to popularize over the years. Today, most restaurants in the USA will not want to miss it, given how much people love it.

You can either have it as a snack while passing the time with friends and family as each one picks a petal. Alternatively, you can consider it as the appetizer as you await the restaurant’s main meal.

While it is true that the onion is a real delicacy, it is not always that you will eat it all. Actually, users rarely finish it, and you either throw it away or carry the leftover for later munching. Sadly, serving it cold will not bring you a flavor even the least bit close to the desired bloomin onion flavor.

Difference Between Bloomin Onion and Onion Rings


Most people confuse the bloomin onion for the common onion rings, but not when you experience both. Onion rings are fried onion rings whose taste will resemble that of bloomin onions. 

However, the onion rings come in individual rings, while bloomin onions are part of one large onion. Actually, the blooming onion is singular for a single serving, while the onion rings are multiple in a single serving.

Cutting Onion for Bloomin Onion

The easiest way to cut the bloomin onion is to use an onion blossom maker. However, you may want to discourage consistent consumption of the unhealthy appetizer in your house by not investing in it at all. Besides, it is quite an investment, and you may want to try homemade bloomin while you are yet to get one.

In this case, here’s a simple procedure to ensure that you cut the onion for bloomin onion fries correctly:


  • First, identify a large onion in your kitchen store. Both white and brown play the role perfectly, so the type doesn’t really matter.

Clean the onion and peel off the dry outer cover, then cut the dry edge to ensure that you are only left with the soft skin.

  • Secondly, cut the onion petal from the cut edge to the roots, stopping short of the roots while ensuring they remain steadily held. Once you are successfully through with the upper petals, continue with the next as you head to the onion interior.

Start by slicing the onion at least four times, then reduce the number of petals as you approach the interior of the onion.

  • Once you feel that you have enough petals, stand the onion on its roots and flip the petals back up. Start with the inner ones, on to the outer, so that you retain the bloomin onion shape while preventing yanking some off.
  • Finally, you have the bloomin onion ready for battering and deep frying.

How to Store a Cooked Bloomin Onion

Reheat Bloomin Onion

Have you taken your bloomin onion to your satisfaction and have a leftover? Since you are looking forward to reheating it, you cannot afford to have it go not good. In this case, let’s see some important tips on safe storage.

First, wrap the bloomin onion in a paper towel so that the towel soaks up oil that causes dumpiness. Then, put the wrapped bloomin onion in a fridge container with an airtight lid.

Your Bloomin onion is safe in the fridge, and you can eat it within three days or so. However, just like me, I am sure you want the bloomin onion fresh just as you bought or fried it, so consider eating it as soon as possible.

So, below are a few kitchen appliances on how to reheat bloomin onion:

Use a Microwave to Reheat a Bloomin Onion

Probably the least recommended method, you can use a microwave to reheat your bloomin onion. But last time I used a microwave, I got a soggy and less flavor from the bloomin onion? That’s true, which is why the microwave should be your last option.

Anyway, if you want the blooming onion to retain its crunchiness, ensure that you don’t put it in the microwave for long. One minute is enough for each side of the onion for an even reheating.

Secondarily, ensure that you don’t place the onion directly onto the oven. If your oven has a grill, you can use the grill. Alternatively, you can invent one, which ensures that the oil drips away from the bloomin onion.

Reheat a Bloomin Onion in a Fryer

You can use an air fryer, which is among the best bloomin onion reheating options.

Start by heating the air fryer to approximately 400 degrees F. Then, sprinkle some cooking oil on the onion sparsely, and put it in the fryer basket.

Now you can allow the onion to sit in the fryer for about ten minutes before getting it out. At last, you will serve the bloomin onion just as crispy as you want it.

Pan Fry Your Bloomin Onion

Deep Fry previous Cooked Bloomin Onions

Another alternative is pan-frying the bloomin onions on your burner stove. Start with a little cooking oil and put the onion when the oil is hot enough. Ensure that you keep turning it gently to prevent burning as well as to ensure a distributed job.

If all the above methods fail, you can as well deep fry the bloomin onions once more. While this adds more oil and cholesterol to the dish, it may be worth saving the flavor.


Related Questions (FAQ)

  • Is bloomin onion bad for your health?

Yes, it is. The bloomin onion is not your everyday appetizer, given its high cholesterol level that is over 600. However, it is a perfect once in a blue moon delicacy for a treat.

  • What can I batter bloomin onion with?

You can use milk, flour, salt, eggs, and cooking oil or skip one depending on preference and flavor options.

  • Is the bloomin onion the onion blossom?

Research shows that bloomin onion is onion blossom, as most people have referred to it as so. Besides, even its cutting machine is known as an onion blossom cutter.

Parting Shot

You finally have the ultimate guide about “How to reheat bloomin onion“, which offers you several options. Now you have no reason to throw away the leftover delicacy.

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