Are Pyrex dishes oven safe? Here’s what experts say!

Are Pyrex Dishes Oven Safe?

Yes, Pyrex glassware is oven-safe up to 425°F.

However, Pyrex plasticware, including the plastic lids, are not oven-safe and will melt in the oven.

It is important to note that Pyrex glass bakeware, glass pie plates, glass mixing bowls, glass measuring cups, glass custard cups, glass food storage containers, and glass lids are all safe to use in a preheated oven up to 425°F.

Oven-safe Pyrex glassware will have “PREHEATED OVEN ONLY” etched into the bottom.

Although there is no mention of the maximum oven-safe temperature on Pyrex’s website, a Pyrex customer service representative has confirmed that it is safe to use in any temperature called for in a baking recipe.

However, Pyrex glass bakeware is not meant to be used on the stovetop or under the broiler.

Additionally, Pyrex plastic lids are not oven-safe and should only be used for food storage in the fridge.

Overall, Pyrex glassware is a reliable and safe choice for oven use within the recommended temperature limits.

Key Points:

  • Pyrex glassware is oven-safe up to 425°F.
  • Pyrex plasticware, including the lids, are not oven-safe and will melt.
  • Pyrex glass bakeware, pie plates, mixing bowls, measuring cups, custard cups, food storage containers, and glass lids are all safe for use in a preheated oven up to 425°F.
  • Oven-safe Pyrex glassware will have “PREHEATED OVEN ONLY” etched into the bottom.
  • Pyrex glassware is safe to use in any temperature called for in a baking recipe, according to a customer service representative.
  • Pyrex glass bakeware should not be used on the stovetop or under the broiler.

Did You Know?

1. Pyrex dishes were originally developed in the early 1900s as laboratory glassware to withstand high temperatures and chemical reactions.
2. Pyrex dishes can withstand rapid temperature changes, making them safe to use in ovens. However, they should not be placed directly on a stove’s hot burner or under the broiler.
3. Contrary to popular belief, Pyrex dishes are not completely shatterproof. Sudden drops or drastic temperature changes can cause them to break, so handle them with care.
4. In the 1960s, Pyrex began transitioning from traditional borosilicate glass to soda-lime glass, which is more cost-effective. This change led to some controversy as the newer glassware was more prone to shattering under extreme conditions.
5. Vintage Pyrex dishes, especially those with unique patterns or colors, have become highly sought after by collectors. Some rare pieces can be valued at several hundred dollars.

Related Post:  Can You Put Silicone Bakeware Directly on the Oven Rack? All You Need to Know about Safe Baking Methods

Oven-Safe Pyrex Glassware: Exploring The Facts

Pyrex glassware is a popular choice among home cooks and professional chefs alike. One of the key questions frequently asked about Pyrex dishes is whether they are safe to use in the oven. According to Pyrex, their glass bakeware, glass pie plates, glass mixing bowls, glass measuring cups, glass custard cups, glass food storage containers, and glass lids are all safe to put in a preheated oven up to 425°F.

To ensure the safety of their customers, Pyrex has etched the words “PREHEATED OVEN ONLY” into the bottom of their oven-safe glassware. This serves as a reminder to users to only use their Pyrex dishes in a preheated oven, as using them in a cold oven or exposing them to sudden temperature changes can lead to thermal shock and cracking.

  • Pyrex glassware is safe for oven use up to 425°F.
  • The words “PREHEATED OVEN ONLY” are etched into the Pyrex glassware.
  • Using Pyrex in a cold oven or exposing it to sudden temperature changes can cause thermal shock and cracking.

Remember to always follow the manufacturer’s instructions for safe use of Pyrex glassware in the oven.

Pyrex Plasticware: Not Suitable For The Oven

While Pyrex glassware is oven-safe, it is important to note that Pyrex plasticware, including the plastic lids, should not be used in the oven. Unlike the heat-resistant glass, Pyrex plastic lids and containers are not designed to withstand high temperatures and will melt if placed in the oven. These plastic lids are specifically intended for food storage in the refrigerator.

If you are using Pyrex glassware with plastic lids, it is essential to remember to remove the lids before placing the dish in the oven. Failing to do so can result in the plastic lid melting and potentially ruining your food and the dish itself.

  • Pyrex glassware is oven-safe, but NOT Pyrex plasticware.
  • Plastic lids and containers are not heat-resistant and will melt in the oven.
  • Plastic lids are only meant for refrigerator food storage.

Remember to remove the plastic lids before using Pyrex glassware in the oven.

Maximum Oven-Safe Temperature For Pyrex Glassware

While Pyrex’s Use and Care page and packaging confirm that their glassware is oven-safe, they do not explicitly state the maximum temperature it can withstand. To clarify this, we reached out to Pyrex’s customer service. A representative confirmed that Pyrex glassware can be safely used in any temperature called for in a baking recipe.

Related Post:  Is a Toaster Oven a Convection Oven: Unraveling the Differences and Benefits for Cooking Efficiency

However, it is crucial to adhere to the recommended maximum temperature of 425°F, which Pyrex explicitly states. Using Pyrex glassware in ovens at higher temperatures can potentially lead to glass breakage and the release of shards, posing a safety hazard.

  • Pyrex glassware is oven-safe, as stated on their Use and Care page and packaging.
  • The maximum safe temperature for Pyrex glassware is 425°F.
  • Using Pyrex glassware at higher temperatures may cause glass breakage and pose a safety hazard.

“Using Pyrex glassware in ovens at higher temperatures can potentially lead to glass breakage and the release of shards, posing a safety hazard.”

Pyrex Glassware: Guidelines And Safety Measures

To ensure the longevity and safety of your Pyrex glassware, it is essential to follow some guidelines and safety measures. Pyrex’s Use and Care page provides valuable insights on how to properly use and care for their glassware:

  1. Pyrex glass bakeware is not suitable for stovetop use or for broiling purposes. The intense direct heat from the flames or heating elements may cause the glass to shatter.
  2. Avoid using Pyrex glassware on the grill, as the uneven heat distribution can lead to thermal shock and breakage.
  3. When using Pyrex glassware in the microwave, ensure there is food or liquid in the dish, as using it while empty or almost empty can result in the glass breaking.
  4. It is advisable not to expose Pyrex glassware with plastic lids to the oven. The plastic lids are not designed to withstand the heat and may melt.

Taking these precautions will help you extend the life of your Pyrex glassware and prevent accidents.

  • Pyrex glass bakeware is not suitable for stovetop use or for broiling purposes
  • Avoid using Pyrex glassware on the grill
  • When using Pyrex glassware in the microwave, ensure there is food or liquid in the dish
  • It is advisable not to expose Pyrex glassware with plastic lids to the oven

Pyrex Warranty: Understanding Coverage For Different Products

Pyrex prioritizes the satisfaction and safety of its customers and demonstrates this commitment through the provision of a two-year warranty on their glassware products. This warranty covers damages caused by thermal shock and shattering, offering customers peace of mind and reaffirming the quality of Pyrex glassware.

Notably, it is essential to recognize that the warranty coverage varies for Pyrex lids and plastic storage containers. To access specific warranty information, it is advisable to visit Pyrex’s official website.

Related Post:  How to Cook Stouffers Lasagna in Oven: A Delicious, StepbyStep Guide

To summarize, Pyrex glassware is oven-safe when used in accordance with the recommended guidelines. It is crucial to check the markings on your Pyrex dish before using it in the oven and to exercise caution when using plastic lids or storage containers. Following these guidelines, along with understanding the warranty coverage, will enable you to confidently utilize Pyrex dishes in your oven for all your baking needs.

Here are some important points to consider:

  • Pyrex offers a two-year warranty on their glassware products.
  • This warranty addresses damage caused by thermal shock and shattering.
  • Warranty coverage differs for Pyrex lids and plastic storage containers.
  • Specific warranty information can be found on Pyrex’s official website.


Frequently Asked Questions

Can a Pyrex dish go in the oven?

Yes, Pyrex dishes are oven-safe and can withstand the high temperatures of both conventional and convection ovens. The glass used in Pyrex cookware is specially designed to be heat-resistant, providing a safe cooking surface for various dishes. Whether you want to bake a cake, roast vegetables, or reheat leftovers, Pyrex dishes offer a convenient and reliable option for oven cooking.

Which Pyrex is not oven safe?

The pyrex containers that are not oven safe are the ones with lowercase labels, as they are typically made of soda-lime glass. These containers should not be heated in the oven or microwave. However, the cookware with uppercase labels, labeled as PYREX, is made of borosilicate glass and is safe to use in both the microwave and oven.

Is all Pyrex oven and microwave safe?

Yes, all Pyrex products are both oven and microwave safe. Pyrex dishes are specifically made from borosilicate glass, which has excellent heat resistance properties. This type of glass can withstand high temperatures without shattering or warping, making it safe for use in both ovens and microwaves. So, whether you’re baking or reheating leftovers, Pyrex is a reliable and safe choice.

Can Pyrex withstand 500 degrees?

Pyrex glass is known for its durability and ability to withstand high temperatures. While it is oven safe to at least 500 degrees Fahrenheit, it is recommended to use it at temperatures up to 425 degrees Fahrenheit to be on the safe side. Although there have been cases of successfully baking a pizza on Pyrex glass at temperatures as high as 600 degrees Fahrenheit, it is best to avoid exposing it to extreme conditions such as this.

Similar Posts