Is Pyrex Microwave Safe? | 9 Best Mixing Bowls | Microwave Safety Tips

Discover Is Pyrex Microwave Safe?. Get essential microwave safety tips and explore the world of borosilicate glass cooking. Learn more about Pyrex's microwave-safe label and oven-safe options. Ensure the safety of your microwave cooking with expert advice.



Microwaves have become an indispensable part of our daily lives, making reheating and cooking quick and convenient. However, concerns often arise about the safety of certain materials in the microwave, particularly when it comes to cookware like Pyrex. In this comprehensive guide, we will delve into the question: “Is Pyrex microwave safe?” to ensure you can confidently use your Pyrex dishes without worry.

Is Pyrex Microwave Safe? | 9 Best Mixing Bowls | Microwave Safety Tips
Is Pyrex Microwave Safe? | Top 9 Mixing Bowls

Understanding Pyrex

Where did it come from? Pyrex is a brand of glassware known for its heat-resistant and durable properties. It is commonly used for baking, cooking, food storage, and laboratory applications. Pyrex glassware is characterized by its clear, borosilicate glass composition, which is designed to withstand extreme temperature changes without breaking.

What is Pyrex?

Pyrex is a brand of borosilicate glassware renowned for its high thermal resistance. It has been a trusted choice for baking, cooking, and food storage for over a century. Borosilicate glass is specifically designed to withstand extreme temperature changes, making it a popular choice for kitchen use.

Types of Pyrex

The Composition of Pyrex Before addressing microwave safety, it’s essential to understand what Pyrex is made of. Pyrex is primarily composed of borosilicate glass, which is known for its resistance to thermal shock. This means it can withstand abrupt temperature changes, making it suitable for use in ovens, freezers, and, of course, microwaves.

The History of Pyrex dates back to the early 20th century

Origin: Pyrex was created and first produced by the Corning Glass Works (now known as Corning Incorporated) in the United States. The development of Pyrex glassware began in 1908 when Dr. Jesse T. Littleton, a physicist at Corning, and Bessie Littleton, his wife, baked a sponge cake in a sawed-off battery jar made of low-expansion glass. Despite extreme temperature changes, the glass did not break. This experiment led to the development of borosilicate glass, the primary material used in Pyrex.

Introduction to the Market: In 1915, Corning introduced Pyrex to the market as a brand of clear glass bakeware. The name “Pyrex” is derived from the Greek word “pyro,” meaning “fire,” and the word “ex,” signifying “expansion.” This name reflects the glass’s ability to withstand high temperatures. Early Pyrex products included baking dishes, measuring cups, and other kitchenware items, which quickly gained popularity for their durability and versatility.

Evolution: Over the years, Pyrex has evolved and expanded its product line to include various types of glassware, including casserole dishes, mixing bowls, food storage containers, and laboratory glassware. While early Pyrex was made from borosilicate glass, the formulation of the glass has changed in some regions over time due to manufacturing differences. In the United States, for example, Pyrex is made with tempered soda-lime glass, which is still known for its durability.

Pyrex’s introduction revolutionized kitchenware by providing a heat-resistant, transparent, and versatile option for cooking and baking. It remains a trusted and widely recognized brand, used in households and professional kitchens around the world. Pyrex has also made significant contributions to the field of laboratory glassware, where its thermal resistance is highly valued.


Is Pyrex Microwave Safe?

The safety of Pyrex in microwaves has been a subject of debate for some time. Some users claim to have experienced issues like shattering, while others have never encountered such problems. Let’s break down the factors that influence Pyrex’s microwave safety and to know Is Pyrex Microwave Safe?

  1. Microwave-Safe Label

To ensure the safety of Pyrex in the microwave, it’s essential to look for products labeled as “microwave-safe.” This label indicates that the manufacturer has tested the product for microwave use and found it to be safe under normal conditions.

  1. Gradual Heating

One common cause of Pyrex breakage in the microwave is sudden temperature changes. To avoid this, always start with short heating intervals and gradually increase the time, allowing the dish to adjust to the rising temperature.

  1. Cracks and Damage

Inspect your Pyrex dish for any cracks or damage. Even the tiniest chip can compromise the integrity of the glass and increase the risk of shattering in the microwave.

  1. Microwaveable Lids

When using Pyrex with lids, make sure the lids are microwave-safe as well. Using an incompatible lid can lead to pressure buildup, resulting in potential dangers.

Benefits & Drawbacks of Using Pyrex in the Microwave


Pyrex glassware offers a range of benefits that have made it a popular choice in kitchens around the world. Here are some of the key benefits of using Pyrex:

Heat Resistance: Pyrex is known for its high thermal resistance. It can withstand extreme temperature changes, making it suitable for use in ovens, microwaves, and freezers. This heat resistance ensures that Pyrex dishes can handle various cooking and baking methods.

Versatility: Pyrex products come in a wide range of shapes and sizes, from baking dishes and measuring cups to food storage containers. This versatility makes Pyrex suitable for a variety of cooking and storage needs, reducing the need for multiple types of cookware and containers.

Durability: Pyrex glass is durable and resistant to staining and odors. It doesn’t react with acidic or strongly flavored foods, ensuring that the taste and quality of your dishes remain consistent over time.

Easy to Clean: Pyrex glassware is easy to clean. It is dishwasher-safe, making cleanup after cooking or baking a breeze.

Non-Porous Surface: The non-porous surface of Pyrex glass means it won’t absorb food odors or flavors, ensuring that your dishes maintain their original taste and aroma.

Transparency: The clear glass design of Pyrex allows you to see the contents of the dish, making it easier to monitor cooking progress and food storage.

Nesting Design: Many Pyrex products are designed to nest inside one another, which saves space in your kitchen cabinets or drawers.

Healthy Cooking: Pyrex is made from natural materials and does not contain harmful chemicals, making it a safe choice for cooking and food storage.

Longevity: With proper care, Pyrex glassware can last for many years, providing a reliable and cost-effective kitchen solution.

Microwave-Safe: Pyrex is generally microwave-safe, allowing you to reheat, defrost, or cook food in the microwave without concerns about harmful chemicals or melting.

Food Storage: Pyrex glass containers are a popular choice for food storage. They keep food fresh, are easy to clean, and are an eco-friendly alternative to disposable plastic containers.

Safe Baking: Pyrex baking dishes provide even heating and consistent results, making them a preferred choice for baking enthusiasts.

Laboratory Use: Pyrex’s thermal resistance and durability have made it a staple in laboratories for various applications, including beakers, test tubes, and flasks.

Easy Identification: Most Pyrex products have the brand name or logo etched or printed onto the glass, making it easy to identify genuine Pyrex.

Varieties: Pyrex products are available in various designs and collections, allowing you to choose items that match your kitchen style and preferences.

Sustainability: Pyrex’s durability and reusability contribute to sustainability efforts by reducing the need for single-use kitchen items.

Heritage: Pyrex has a long history and is often associated with cherished family recipes and traditions, adding a sense of nostalgia to your kitchen.


While Pyrex is a popular and versatile choice for cookware and kitchenware, it’s important to be aware of its drawbacks and limitations. Here are some of the drawbacks of using Pyrex:

Pyrex glass, while sturdy, is not indestructible. It can break if dropped, exposed to sudden extreme temperature changes, or if it has imperfections like chips or cracks. This can be a safety concern, especially when handling hot dishes.

Pyrex glassware is heavier than some other types of cookware, making it less convenient for individuals who have difficulty lifting or handling heavy items.

Limited Stovetop Use:
Pyrex is not designed for stovetop cooking. Direct exposure to a stovetop burner or open flame can cause the glass to crack or shatter.

Not Induction-Compatible:
Pyrex glass is not compatible with induction cooktops, which require cookware with magnetic properties to generate heat.

Pyrex can become stained when used to heat strongly colored or flavored foods, such as tomato-based sauces or curries. These stains can be challenging to remove, affecting the appearance of the glass.

Our Top Picks for Mixing Bowls

Now, let’s get to the heart of the matter – our top picks for the best mixing bowls of 2023. After rigorous testing and evaluation, we’ve selected a categorized Top 9 Mixing Bowls sets with Highly Recommended, Rated & Reviewed, and Selling that cater to various needs and preferences.

Premium Picks

Best for Serving: Bamboozle Mixing Bowls Set

Design: 5/5
Performance: 5/5
Storage: 5/5
Cleaning: 5/5
Value: 5/5

If you’re looking for mixing bowls that can transition seamlessly from kitchen tasks to serving dishes, the Bamboozle Mixing Bowls Set is a superb choice. These bowls are made from bamboo, cornstarch, and melamine, making them biodegradable and eco-friendly. Their deep shape minimizes splashes, and they are ideal for mixing wet ingredients with electric hand mixers. These attractive bowls come in various color palettes to match your kitchen decor.

Bamboozle Nesting Bowls Set – Thistle Color | Mixing Bowl Set

Last Amazon price update was: December 3, 2023 7:24 pm

Best Overall: OXO Good Grips 3-Piece Stainless-Steel Mixing Bowl Set

Design: 5/5
Performance: 5/5
Storage: 5/5
Cleaning: 5/5
Value: 5/5

The OXO Good Grips 3-Piece Stainless-Steel Mixing Bowl Set emerges as our top pick for 2023. This set excels in design, performance, storage, and cleaning. With its stainless steel interior, plastic exterior, and non-slip base, these bowls offer insulation for safe and precise temperature control, making them perfect for various cooking tasks. While they’re ideal for everyday kitchen use, they might not be suitable for microwave use.

OXO Good Grips 3-Piece Stainless-Steel Mixing Bowl Set, White

Last Amazon price update was: December 3, 2023 7:24 pm

Best Eco-Friendly: Chef Craft Eco Mixing Bowl Set, 6-Piece

Design: 5/5
Performance: 5/5
Storage: 5/5
Cleaning: 5/5
Value: 5/5

For eco-conscious cooks, the Chef Craft Eco Mixing Bowl Set is a game-changer. This 6-piece set is primarily crafted from highly renewable bamboo fiber. Not only do these bowls reduce plastic waste, but they are also sturdy and functional. They performed exceptionally well during testing, and their stability and reduced noise make them ideal for a variety of tasks. They are also dishwasher-safe, though not suitable for microwave or oven use.

Chef Craft Eco Bamboo Fiber Mixing Bowl Set, 6 Piece, Teal

Last Amazon price update was: December 3, 2023 7:24 pm
Regular Picks

Best Budget: Nordic Ware 4-Piece Prep N Serve Mixing Bowl Set

Design: 3/5
Performance: 5/5
Storage: 5/5
Cleaning: 5/5
Value: 5/5

If you’re looking for an affordable option that performs admirably, the Nordic Ware 4-Piece Prep N Serve Mixing Bowl Set fits the bill. These bowls bring a festive touch to your kitchen with their wide-ribbed exterior and vibrant colors. They’re made of sturdy plastic, suitable for outdoor use, and safe for microwave. While they might not be as decorative as some alternatives, they are perfect for practical and everyday kitchen use.

Nordic Ware Prep & Serve Mixing Bowl Set, 4-pc, Set of 4

Last Amazon price update was: December 3, 2023 7:24 pm

Best Glass: Pyrex 8-Piece 100 Years Glass Mixing Bowl Set

Design: 4/5
Performance: 5/5
Storage: 5/5
Cleaning: 5/5
Value: 5/5

For those who appreciate the aesthetic value of their kitchen tools, the Pyrex 8-Piece 100 Years Glass Mixing Bowl Set is an attractive choice. These bowls feature an elegant, retro-modern design with attractive ridges. They are also practical, with lids included and microwave, dishwasher, and freezer-safe properties. The thicker and heavier tempered glass provides stability during mixing, but keep in mind that they can break if dropped.

Pyrex 8-piece 100 Years Glass Mixing Bowl Set (Limited Edition)

Last Amazon price update was: December 3, 2023 7:24 pm

Best with Attachment Lids: Belwares Stainless Steel Mixing Bowls with Lids and Graters

Design: 3/5
Performance: 4/5
Storage: 4/5
Cleaning: 5/5
Value: 4/5

For those looking to streamline their kitchen tools, the Belwares Stainless Steel Mixing Bowls with Lids and Graters aim to provide multiple functions in one set. Each bowl comes with a lid that has removable inserts for attachments, including slicers, graters, and shredders. These bowls offer versatility but may not be as snug-fitting in storage. While the slicing and grating inserts are handy, some users might prefer sharper blades for precision.

Belwares Mixing Bowls with Lids Set - Nesting Bowls with Grater

Last Amazon price update was: December 3, 2023 7:24 pm
Budget Picks

Best with Lids: Cuisinart CTG-00-SMB Stainless Steel Mixing Bowls with Lids

Design: 5/5
Performance: 5/5
Storage: 5/5
Cleaning: 5/5
Value: 4/5

When it comes to recipes that require refrigeration or storage, the Cuisinart CTG-00-SMB Stainless Steel Mixing Bowls with Lids are the perfect choice. Made from stainless steel, these bowls are resistant to discoloration and odors, making them ideal for marinating and storing leftovers. Their tall shape ensures mess-free mixing, and their lids make them a valuable addition to your kitchen tools. Keep in mind that the lids fit inside the bowls, which can affect storage space.

Cuisinart Mixing Bowl Set, Stainless Steel, 3-Piece, CTG-00-SMB

Last Amazon price update was: December 3, 2023 7:24 pm

Best Metal: FineDine Premium Stainless Steel Mixing Bowls

Design: 4/5
Performance: 4/5
Storage: 4/5
Cleaning: 5/5
Value: 5/5

The FineDine Premium Stainless Steel Mixing Bowls offer a wide range of sizes, from 0.75-cup to 8 quarts, ensuring you always have the right size for the task at hand. These bowls are durable, versatile, and suitable for various cooking methods, including double boiling. They’re dishwasher-safe and resistant to staining, rust, and odors. While they excel in performance, keep in mind that their wide, somewhat shallow shape is better suited for hand-whisking.

FineDine Stainless Steel Mixing Bowls (Set of 6)

Last Amazon price update was: December 3, 2023 7:24 pm

Best for Hand Mixers: OXO Good Grips Mixing Bowl Set

Design: 5/5
Performance: 5/5
Storage: 5/5
Cleaning: 5/5
Value: 5/5

If you often use a hand mixer in your cooking adventures, the OXO Good Grips Mixing Bowl Set is tailored for you. These bowls feature deep sides to minimize splashing, and their easy-grip handles make them perfect for one-handed use. They’re made of durable plastic, microwave-safe, and come with a rubbery bottom to keep them stable on your kitchen counter.

OXO Good Grips 3- Piece Plastic Mixing Bowl Set, 2500 ml,White/Black

Last Amazon price update was: December 3, 2023 7:24 pm

Microwave Safety Precautions

While Pyrex is generally microwave-safe, precautions are necessary to avoid potential hot spots and ensure even heating. Stirring the food during the cooking process is often required.

Non-Stackable: Pyrex dishes can be challenging to stack in a cupboard or pantry due to their nesting design. This can limit storage options, particularly in small kitchens.

Fragility Over Time: With frequent use and dishwashing, Pyrex glassware may become more susceptible to chipping or weakening, reducing its lifespan.

Cost: High-quality Pyrex products can be relatively expensive compared to other types of glass or plastic cookware. This cost factor might make it less accessible to some consumers.

Not Suitable for Certain Baking Techniques: Pyrex may not be the best choice for some advanced baking techniques, as it lacks the conductivity and precision of other specialized baking materials.

Not Ideal for Long, Slow Cooks: In some cases, Pyrex may not be the best choice for long, slow cooking techniques, as it retains heat less effectively than cast iron or other materials.

Cautions and Considerations

While Pyrex offers numerous advantages for microwave use, it is crucial to handle it with care and adhere to the following cautions and considerations:

Gradual Heating: Pyrex is sensitive to sudden temperature changes, which can lead to breakage. Avoid placing a cold Pyrex dish directly in a hot oven or exposing it to extreme temperature shifts. When using it in the microwave, start with short heating intervals and gradually increase the time.

Preheating: Do not preheat Pyrex glassware on a stovetop or open flame. Always place it in a preheated oven or a microwave that’s already in use to minimize temperature fluctuations.

Avoid High Temperatures: While Pyrex is designed to withstand high temperatures, it is advisable not to subject it to extreme heat, such as direct exposure to a broiler or an open flame.

Examine for Damage: Before using any Pyrex dish in the microwave, oven, or elsewhere, carefully inspect it for cracks, chips, or damage. Do not use damaged Pyrex, as it can shatter during use.

Lids: Ensure that any lids you use with Pyrex dishes in the microwave are also microwave-safe. Incompatible lids can cause pressure buildup and pose risks.

Temperature Differential: Avoid transferring a hot Pyrex dish to a cold surface or placing it directly on a cold countertop. Use trivets or pot holders to prevent sudden temperature changes.

Freezer to Microwave: When moving a Pyrex container from the freezer to the microwave, let it thaw slightly at room temperature before heating. This will help prevent thermal shock.

Avoid Extreme Changes: Never expose Pyrex to extreme temperature changes, such as transferring it from a hot oven to a freezer. Gradual changes are preferable to minimize the risk of breakage.

User Experience: Pay attention to your specific experiences with Pyrex in the microwave. Some users may have reported incidents of breakage, while others have used Pyrex in the microwave for years without issues. Each microwave and Pyrex product may react differently, so exercise caution.

Usage Guidelines: Follow the usage guidelines and instructions provided by Pyrex for specific products. These guidelines may offer additional insights into microwave and oven use.

Alternatives to Consider

If you have concerns about using Pyrex in the microwave or prefer alternatives, consider the following options:

Microwave-Safe Ceramic: Many ceramic dishes and containers are labeled as microwave-safe and can be used for heating or cooking food in the microwave. Just like with Pyrex, it’s important to follow guidelines for gradual heating and avoid transferring from extreme temperatures.

Microwave-Safe Plastic: Some microwave-safe plastic containers are suitable for reheating and cooking. Look for containers marked as microwave-safe, and follow the manufacturer’s recommendations.

Glass Plates: Microwave-safe glass plates are convenient for reheating food. These are typically designed for microwave use and are a safe option.

Silicone Lids and Covers: If you need to cover your Pyrex dish in the microwave, consider using a microwave-safe silicone lid or cover. These are designed to prevent splattering while allowing steam to escape.

In Summary

Is Pyrex microwave safe? In general, Pyrex is safe to use in the microwave, provided you follow certain precautions. Always check for a “microwave-safe” label on the product, use gradual heating, and inspect your Pyrex dishes for any damage. Make sure your lids are microwave-safe as well.

Pyrex has been a beloved brand for over a century, known for its heat resistance, durability, and versatility in various kitchen and laboratory applications. When used correctly, it can be a reliable choice for microwave cooking and reheating. However, like any cookware, it requires proper care and handling to ensure safety and longevity.

Ultimately, the debate about Pyrex safety in the microwave is influenced by individual experiences and specific microwave and Pyrex product variations. If you have doubts or concerns, you may want to consider microwave-safe ceramic or plastic alternatives that suit your specific needs and preferences.

Always prioritize safety when using any kitchenware in the microwave, and consult the manufacturer’s instructions for guidance on safe usage.

In conclusion, the right mixing bowl set can elevate your cooking and baking experiences. Whether you prioritize durability, aesthetics, versatility, or eco-friendliness, there’s a perfect set for you. Make sure to consider your specific needs and preferences when choosing the ideal mixing bowls for your kitchen. Happy mixing and cooking!

Please note that this article is intended for informational purposes and should not replace professional advice or guidelines provided by the manufacturer. Ensure you follow the specific instructions and recommendations provided by the manufacturer of your Pyrex products for safe use in the microwave.


Q: Are glass mixing bowls safe for the microwave?

A: Glass mixing bowls can be used in the microwave, but it’s essential to follow safety guidelines and avoid sudden temperature changes to prevent breakage.

Q: Can I use plastic mixing bowls for hot ingredients?

A: While many plastic mixing bowls are labeled as microwave-safe, it’s important to check the specific product guidelines. Some plastics can warp or release harmful chemicals when exposed to high temperatures.

Q: Are bamboo mixing bowls eco-friendly?

A: Yes, bamboo mixing bowls are considered eco-friendly as they are made from renewable bamboo fiber and reduce plastic waste.

Q: How do I clean and maintain stainless steel mixing bowls?

A: Stainless steel mixing bowls are easy to clean and maintain. Hand wash them with mild soap and water, and avoid using abrasive scrubbers to prevent scratches. Dry them thoroughly to prevent water spots.

Q: Can I stack mixing bowls inside each other for storage?

A: Yes, many mixing bowl sets are designed to nest within one another, saving space in your kitchen cabinets.

Certified Culinarian | Culinary Specialist With a rich Culinary journey. Trained at Le Cordon Bleu, I've worked alongside renowned chefs from the James Beard Foundation and learned from culinary legends. Let's explore the world of kitchen tools and flavors together! Connect with me on social media for daily culinary inspiration.

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