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So you were preparing lasagna in the oven when the glass pan exploded?

You may be startled to learn that glass pans breaking abruptly in the oven or after you remove them is not uncommon.

Witnessing such an incident unfold before your eyes may be unnerving. This is why knowing what caused your pan to burst and how to avoid it from occurring again is critical.

When glass pans are subjected to fast temperature fluctuations, such as going from extremely hot to very cold, they tend to break, shatter, or explode in the oven.

Here’s more on why your beloved glass pan can burst in the oven and how you can protect yourself.

Causes of Oven Glass Pan Explosion

Let’s go through some of the possible reasons of your glass pan shattering or bursting in the oven.

1. Thermodynamic Shocks

As previously stated, glass pans may burst as a result of heat shocks.

This occurs when their environment is changed from highly hot to extremely cold. For example, when you remove a dish from a hot oven and place it on the counter or in the refrigerator.

All of this may shatter your cherished Pyrex-style dinnerware or glass pan into a thousand pieces.

2. Uneven Pan Expansion and Contraction

The glass pan receives confused signals as a result of its exposure to heat shocks.

It eventually starts to grow owing to the tremendous heat but contracts due to the low temperature.

Because of the unequal expansion and contraction, the pan loses its structure and finally shatters.

3. Very High Temperature

There is also a potential that the glass pan can burst in the oven owing to being exposed to very high heat, depending on the manufacturer and quality of the glass pan.

If your pan is not of high quality, it will most likely shatter or explode when heated.

The heat may cause the dish’s parts to expand too much, causing them to shatter.

4. High-heat roasting without liquids

If you roast anything on high heat in the oven, you may cause the glass pan to explode.

This is particularly true if you did not use enough water, oil, or other liquid while preparing the food.

As a consequence, the meat may get too dry and expand, straining the dish’s walls and eventually causing it to crack.

5. Existing Scratches and Wear and Tear Exposure

If your glass pan or dish is rather old and has been in use for many years, this might explain why it burst in the oven or when you removed it.

During use, glassware is subjected to a great deal of wear and tear, which may result in countless scratches. You’ve probably never seen these scratches either.

This caution notice is also included with most Pyrex dishes.

6. The Glass Pans’ Composition

Others believe that the composition of glass pans and plates makes them unsuitable for use with intense heat or temperature changes.

The newest version of these glass pans, which are made of soda-lime glass, is just what is causing them to crack.

This makes sense since there were relatively few reports of these pans cracking or shattering in the oven a few years ago.

7. Introducing Liquid into Hot Glassware

This is another typical cause of glass dish or pan fracture.

Cleaning them soon after removing them from the oven produces heat shock.

As previously stated, the highly hot pan is exposed to extremely cold temperatures. This results in unequal expansion and contraction, which eventually leads to shattering.

How to Avoid Glass Pan Explosions

Despite the fact that most glass pans come with precautions and warnings, there are several things you should do.

There are several precautions you may take to prevent a glass pan bursting in the oven or breaking after you remove it.

By taking these precautions, you will eventually safeguard yourself and your family from possible harm.

1. Check if they are oven-safe.

First and foremost, be sure that any glass pan or dish you use is oven safe.

Manufacturers usually include a notice indicating whether a given dish may be used in the oven or microwave.

2. Avoid using glass pans on stovetops or broilers.

Unless otherwise specified by the manufacturer, most glass dishes and pans are not appropriate for cooking on stovetops or boilers.

This glassware is often not designed to resist high temperatures and may shatter or explode.

Even if the item is in the oven, do not set it on the stovetop or under the broiler in a toaster oven.

3. Preheat the oven to 350°F.

Some ovens raise temperatures in the oven before dropping rapidly.

As a consequence of the quick temperature shift, the glass oven or pan may break.

As a result, before putting the dish in the oven, be sure to warm it for a few minutes.

4. Thaw the Dishes

Don’t put very cold or frozen food in a glass pan or dish and bake it.

This may cause the glass to expand and shrink unevenly, causing it to explode.

As a result, before exposing the meal and its components to high heat, allow them to come to room temperature.

5. Do not wash or store hot dishes in the refrigerator.

Similarly, do not quickly wash hot glass pans that have been in the oven.

It’s also not a good idea to put them in the fridge or freezer to cool down after they’ve been in the oven.

Because of the unequal expansion and contraction, this might lead the pan to fracture and explode.

6. Pour Liquid Into Dish

While cooking dry meals like roast chicken and beef, pour some liquid into the glass pan or dish before putting it in the oven.

This is because the meat releases liquids and fluids throughout the cooking process.

Because of the differences in temperatures, these liquids or juices may cause the food to explode in an extremely hot dish.

By adding some liquid at the start of the cooking process, you will avoid exposing your glass pan or dish to cold liquids. Consider incorporating some water or beef stock.

7. Pour water over the pan’s surface.

Also, to prevent the glass pan or dish from overheating, try immersing the dish’s bottom in water before putting it in the oven.

This is particularly important when roasting veggies or meat.

8. Do not place the dish on a cold surface.

This one may seem self-evident. But, when you remove a hot glass pan or dish from the oven, do not place it on a cold countertop, sink, or cool wire rack.

Also, do not set it on a damp surface or with a wet towel.

Exposure to immediately colder temperatures after being under very high heat may be hazardous and result in glassware breaking.

9. Make sure your clothes and mittens are dry.

Rather of putting hot glass pans or plates on cold surfaces or damp towels, place them on top of a dry fabric potholder or towel.

Wet towels and mittens should be avoided since they may transfer heat.

As a consequence, you risk burning your hands and shattering the glassware if you drop it.

10. Do not cook foods that need very high heat in a glass pan.

When preparing anything that involves cooking on very high heat or exposing the meal to hours of heat, avoid using glass pans or plates.

In these circumstances, it is safer to use alternative, more oven-friendly plates or pans. Similarly, even if the maker says it’s safe, don’t put glassware in the oven.

This is due to the possibility of the plan exploding due to the quick temperature shift.

11. Let the Pan to Cool Before Serving

Consider allowing the glass pan and dish to cool before presenting it to your guests.

This might cause the dish to break or scratch, particularly if you serve it with a metal spoon.

12. Use Caution While Cleaning Glassware

Even if you are merely cleaning and storing your glass pans or plates, use extreme caution.

Even if you dropped them and they did not break, you might be incurring wear and tear and compromising the structural integrity of the dish.

In conclusion

Here is all you need to know about putting glass pans and plates in the oven and what may cause them to explode.

By following the manufacturer’s instructions and the aforementioned guidelines, you will most likely be able to use them for a considerably longer period of time without causing structural damage or making them prone to an explosion, shattering, or scratching.

Also, consider purchasing a glass pan and dish from the industry’s top manufacturer since it will likely last you much longer.

You may also be interested in:

  • Can Gotham Steel Pans Be Baked?
  • Can Calphalon Pans Be Used in the Oven?
  • How Can You Know Whether a Pan Is Oven-Safe?
  • Can Aluminum Foil Pans Be Used in a Convection Oven?


Why did my Pyrex explode in the oven?

Pyrex is a glass product.

When a Pyrex bowl is quickly heated or cooled, various portions of the bowl expand or contract differently, generating tension. If the force is too great, the structure of the bowl will break, resulting in a dramatic shattering effect.

Can Pyrex go in a 450 degree oven?

Is Pyrex Oven-Safe to what temperature? Pyrex is oven-safe up to 425°F. Direct contact with heated components, on the other hand, might cause the glass to shatter or crack.

Can I put a glass pan in the oven?

Are glass baking dishes oven safe? Although most glass pans are oven-safe, this should not be taken for granted. You may use a convection oven, a toaster oven, or even a microwave oven if the pans are constructed of heat-resistant glass. Before using these goods, look for the oven-safe mark.

What temperature can I put glass pan in oven?

When baking in glass, the conventional recommendation is to reduce the oven temperature by 25°F from what the recipe asks for and bake for up to 10 minutes longer.

How do you clean a glass dish that exploded in the oven?

The best method to clean glass or any other surface, even the interior of an oven, is to use extremely soft bread. Essentially, use it like you would a sponge. The softness of the bread will stick to everything else, creating a safe environment to cook in again (for the most part).

At what temperature will Pyrex shatter?

Is Pyrex glassware prone to breaking? Shattering is uncommon, however it may occur when glassware is subjected to fast temperature fluctuations (known as thermal shock), very high heat (more than 425 degrees), or direct fire.

Can a glass pan go in a 500 degree oven?

Both Pyrex brands now designate their glass items as oven-safe, ensuring the safety of cooking glasses in the oven. As a result, the answer to the question “Is all pyrex oven safe?” is yes. Pyrex glass goods are oven safe up to 500°F (260°C), although it is best to use up to 425°F (218°C) to be safe.

Can you bake a glass pan at 450?

Even if you use an oven-safe glass dish, it may not be able to resist a very high temperature. If you use glass that is designed to tolerate 350 degrees in a 450 degree oven, the excessive heat might cause the glass to strain or flex, leading it to shatter.

Can I put Pyrex in 500 degree oven?

A: Pyrex may be used in temperatures ranging from -192°C to +500°C. This makes it an excellent option for laboratory glassware that will be directly heated. Pyrex is made of borosilicate glass, which is very heat resistant.

Can glass go in the oven at 350?

Borosilicate glass, sometimes known as tempered glass, is oven safe. Non-tempered soda-lime glass is less heat resistant and does not tolerate sudden temperature fluctuations. Can glass be baked at 350°F? As long as the glass (such as Pyrex or Corningware) is oven-safe, it may be safely baked at 350 degrees F.