Can You Safely Put a Glass Plate in the Oven?

Can you put a glass plate in the oven?

At one time or another, many of us have considered putting a glass plate in the oven for various reasons, whether it’s to bake something or reheat leftovers. It’s a convenient method that can produce quick and efficient results. But the question remains: Can you put a glass plate in the oven?
The answer is yes, you can put a glass plate in the oven, but with some important considerations. It’s important to note that this only applies to tempered glass plates. Certain glass products can only withstand a certain amount of heat before shattering, typically up to 350°F or even as high as 470°F.

Oven Safe Glass Plates

Oven-safe, heat-resistant glass plates have been available for some time. In fact, these plates were first introduced in the 1900s. The earliest versions of these plates were made from a material called borosilicate. However, due to significant safety concerns, most manufacturers moved away from using borosilicate glassware.
The main reason for this shift was that borosilicate glass has a tendency to shatter into dangerously sharp pieces. Today, the main material used for oven-safe plates is known as soda-lime glass. While not completely shatterproof, these plates are designed to break into larger, blunter pieces when dropped, reducing the risk of injury.
Over time, the types of oven-safe glass plates available have evolved. Today, consumers can choose from oven-safe, toaster-safe and microwave-safe plates, depending on their specific needs and preferences.

Determine if your glass plate is oven safe

In most cases, determining whether your glass plate is oven safe is as simple as reading the label. Manufacturers typically place labels on the bottom of plates, often near or in the center of the back of the plate. Look for the following labels:

  1. Oven Safe: These glass plates are safe to use in the oven. However, it’s important to note that manufacturers often specify recommended temperature limits for their products. The temperature limit is usually in the range of 300-350°F, although some plates can withstand temperatures up to 470°F. Always check the plate’s safety recommendations.
  2. Microwave Safe: This label indicates that the plate can be safely exposed to microwave radiation without being damaged or becoming extremely hot. In fact, using properly tempered and microwave-safe glass plates is safer than using paper plates in the microwave.
  3. Toaster oven safe: These glass plates are designed to withstand the direct heat used by toaster ovens, which is different from the heating methods used by conventional and microwave ovens.

It’s important to pay close attention to the guidelines on the plate’s label. Although some glass plates are oven safe, that doesn’t mean they’re safe to use in toasters or microwaves. Similarly, microwaveable plates aren’t necessarily oven safe.

Identifying Non-Oven Safe Plates

To ensure safety, it’s important to identify non-oven-safe glass plates. Again, the label on the back of the plate provides valuable information. Do not place glass plates in the oven unless they are labeled as oven safe.
You may come across glass plates that are labeled “decorative. These plates are purely decorative and should only be used to decorate your table. Under no circumstances should you put them in the oven or use them to serve food.
Most decorative plates have a glazed finish that is not food safe. They may also contain lead and other chemicals that can be dangerous if heated or ingested. In addition, canary glass plates may contain traces of uranium and emit radiation, making them especially dangerous when heated. Keep these glass plates out of the oven.
Certain glass plates may not have labels indicating their safety. These may include vintage plates, artisan plates, and imported plates. Vintage and antique plates pose a particular risk because some may contain radioactive materials that can be harmful to your health.
In addition to the potential dangers of food poisoning and exposure to harmful chemicals, there is a risk associated with the rapid heating and cooling of glass plates in the oven. Extreme temperature changes can cause the plate to crack, shatter or even explode.

Best Oven Safe Glass Plates

Now let’s take a closer look at some of the best oven-safe glass plates available on the market today:

  1. GAC Tempered Glass Tray: Not only is this glass tray a beautiful decorative piece, it is also oven safe up to 350°F. It is sturdy, convenient to use and has an eye-catching design. Measuring 10×14 inches, it is lightweight and easy to store.
  2. Anchor Hocking Oven Basics Glass Pie Plate: Made of tempered glass, this pie plate is sturdy and durable. It distributes heat evenly for optimal baking results.3. Pyrex Basics Clear Glass Baking Dish: Pyrex has been a trusted name in oven-safe glassware for many years. This baking dish is made of high quality tempered glass and can withstand temperatures up to 450°F. It comes in a variety of sizes, making it versatile for different recipes.
  3. Libbey Just Baking Glass Casserole Dish: This glass casserole dish is designed for both baking and serving. Made of tempered glass, it can withstand temperatures up to 425°F. The clear glass allows you to monitor the cooking process, and the handles provide a secure grip.
  4. Duralex OvenChef Rectangular Glass Roasting Dish: Duralex is known for its durable glassware, and this roasting dish is no exception. It is made of tempered glass that can withstand temperatures up to 450°F. Its rectangular shape makes it ideal for roasting meats and vegetables.

Remember to always follow the manufacturer’s instructions and recommended temperature limits when using oven-safe glass dishes. Avoid placing hot glass plates directly on cold surfaces or exposing them to extreme temperature changes, as this can cause them to break.


In conclusion, you can put a glass plate in the oven, but it’s important to make sure it’s oven safe. Tempered glass plates are designed to withstand the heat of the oven, while other types of glass plates may shatter or pose a health risk when exposed to high temperatures.
To determine the safety of a glass dish, read the label for specific instructions and temperature limits. Oven-safe, microwave-safe and toaster-safe labels indicate the appropriate use for each plate. Avoid using decorative plates, vintage plates, or plates without safety labels in the oven.
Investing in high-quality, oven-safe glass plates can improve your cooking and baking experience. Look for trusted brands that use tempered glass and have a proven track record for safety.
By following these guidelines and using oven-safe glass plates properly, you can enjoy the convenience and versatility they bring to your cooking and baking.


Are all glass plates safe to use in the oven?

No, not all glass plates are oven safe. Only tempered glass sheets that are specifically labeled as oven safe can withstand the heat of the oven without shattering or posing a safety hazard.

What happens if I put a non-oven safe glass dish in the oven?

Placing a non-oven-safe glass dish in the oven can cause the dish to shatter or even explode due to the rapid temperature changes. It may also release harmful chemicals or emit radiation, depending on the glass material.

How do I know if a glass dish is oven safe?

You can tell if a glass dish is oven safe by looking at the label on the back of the dish. Look for an “oven safe” label or specific temperature limits provided by the manufacturer.

Can I put a glass plate in the microwave if it’s oven safe?

Oven-safe doesn’t necessarily mean that a glass plate is microwave safe. Always check the label to see if the plate is specifically labeled as microwave safe before using it in the microwave.

Is it safe to place hot glass plates directly on a cold surface?

No, it is not safe to place hot glass plates directly on a cold surface. Extreme temperature changes can cause the glass plate to crack or shatter. It’s best to place hot glass plates on a heat-resistant trivet or cooling rack to allow them to cool gradually.

Can I use decorative glass plates in the oven?

No, it is not safe to use decorative glass in the oven. Decorative plates are not designed for high temperature applications and may contain glazes or materials that can be harmful when heated. These plates are for decorative use only, not for cooking or baking.