
Glass and metal pans are two popular options for baking and roasting. While glass pans are versatile and safe for most oven uses, they are not recommended for roasting a whole turkey. Metal pans, on the other hand, are more responsive to changes in heat and are the standard choice for most baked goods. When it comes to roasting a turkey, there are several factors to consider, including temperature changes, browning, weight constraints, and drippings containment. So, can you use a glass or metal 9x13 pan for roasting a turkey? Let's explore the pros and cons of each option.
| Characteristics | Values |
|---|---|
| Glass pan | Sensitive to sudden temperature changes, which can cause it to crack or shatter |
| May not fit a whole turkey | |
| Does not promote good browning on the turkey skin | |
| Lower weight limits compared to metal | |
| May be difficult to clean due to baked-on drippings | |
| Metal pan | More responsive to changes in heat |
| Promotes surface drying and browning | |
| Standard for most "baked goods" | |
| Can be inexpensive |
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What You'll Learn

Metal pans are more responsive to changes in heat
When it comes to roasting a turkey, it is generally recommended to use a metal pan. While glass pans, such as Pyrex, can be used for cooking, they come with certain risks. Glass conducts heat inefficiently due to its molecular structure and is therefore not suitable for stovetops. Metal pans, on the other hand, are more responsive to changes in heat.
Metal is a good conductor of heat due to the free flow of electrons in metals. Different metals have varying levels of thermal conductivity, with copper being the best conductor, followed by aluminum, cast iron, and carbon steel. Copper heats up quickly and evenly, providing precise control over cooking temperatures, but it is expensive and requires regular polishing. Aluminum is a popular choice for cookware as it is highly conductive and affordable, but it can create hot spots if used in a thin layer. Thicker aluminum pans distribute heat more evenly. Cast iron pans are durable and versatile, retaining heat well, but they have low heat conductivity and can be prone to hot spots.
The ideal cookware combines even and efficient heating with chemical non-reactivity. Multiclad stainless steel cookware meets these requirements, offering improved heat retention and responsiveness. Stainless steel pans with a copper or aluminum core also provide efficient heating. For liquid-based cooking, thinner pans made of responsive materials like aluminum are recommended.
When choosing a pan for roasting a turkey, it is important to consider not only the material but also the size and design. A roasting pan should be large enough to accommodate the turkey, with raised sides to catch the juices. A rack inside the pan promotes airflow for even cooking and can be used to collect meat drippings. While a dedicated roasting pan can be expensive and bulky, there are alternative options available, such as a cake pan, casserole dish, or broiler pan.
In summary, metal pans are more responsive to changes in heat compared to glass pans. When roasting a turkey, it is advisable to use a metal pan with good thermal conductivity, such as copper, aluminum, or multiclad stainless steel. The thickness of the metal and the presence of a rack can also impact the even distribution of heat.
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Glass pans are sensitive to sudden temperature changes
Additionally, when removing the hot glass pan from the oven, avoid placing it directly on a cold countertop or stovetop. Instead, use a towel, cutting board, or cooling rack to insulate the hot pan and allow the heat to dissipate gradually. This prevents sudden stress on the glass, reducing the likelihood of cracks or breaks.
To further minimise the risk of thermal shock, you can place the glass pan on top of an unheated metal baking sheet before putting it into the oven. This helps to buffer and smooth out any abrupt temperature spikes, protecting the glassware from potential damage.
It is also important to choose the right type of glass for your pan. Pyrex, made of borosilicate glass, is a sturdy option that can withstand higher temperatures. However, newer Pyrex products may be made of tempered glass, which, while more durable in terms of bumps and drops, is less resistant to thermal shock. Check the logo to identify the type of glass—uppercase "PYREX" indicates borosilicate, while lowercase lettering suggests tempered glass. Always read the warnings and instructions provided by the manufacturer for proper handling, cleaning, and storage of your glass pan.
By taking these precautions, you can help prevent sudden temperature changes that may damage your glass pan and ensure a safer and more enjoyable cooking experience.
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Metal pans are better for browning
While a glass pan can be used for cooking turkey, there are several reasons why metal pans are better for browning. Firstly, metal pans are superior conductors of heat compared to glass. They heat up quickly and cool down faster once removed from the heat source. This makes metal pans ideal for achieving even browning, especially for foods that don't require long cooking times, such as cookies or biscuits.
Metal pans, particularly those made of cast iron, carbon steel, or stainless steel, are excellent for browning and searing meat. Cast iron, for instance, retains a great deal of heat, making it perfect for browning and searing. It is also compatible with various cooktops, including gas, electric, glass top, and induction stoves. Carbon steel pans are ideal for quick browning, as they can reach high temperatures rapidly. Stainless steel pans, on the other hand, provide good browning but may be more challenging to control the temperature.
The colour and coating of metal pans also influence the browning process. Dark-coloured metal pans or those with a dull or matte finish absorb more heat, which can lead to over-browning. In contrast, light-coloured metal pans with shiny finishes retain less heat and are generally preferred for baking to avoid over-browning. Additionally, metal pans are less susceptible to shattering or breaking due to rapid temperature changes, a common issue with glass pans.
It is worth noting that glass pans, such as Pyrex, have transitioned from using borosilicate glass, which is more heat-resistant and less prone to breakage, to tempered glass. This change has made glass pans more susceptible to shattering when subjected to extreme temperature changes. Therefore, metal pans are generally safer and more reliable for browning turkey or other meats.
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Glass pans are heavier than metal pans
On the other hand, glass pans are non-reactive with acidic foods, so you don't have to worry about the impact of ingredients like berries, tomatoes, or citrus. Glass pans are also preferred by less experienced bakers because they are transparent, allowing for easy monitoring of the browning or crisping of the crust. Pies and tarts are often baked in glass pans for this reason.
When it comes to roasting a turkey, most sources recommend using a metal pan. Metal roasting pans are designed to cook large pieces of meat evenly while collecting meat drippings. Metal pans can also withstand high temperatures and rapid temperature changes without shattering, which can be a risk with glass pans.
However, if you only have a glass pan, you can still use it for roasting turkey, but you should be cautious. Make sure to handle the glass pan properly and avoid subjecting it to extreme temperature changes. You may also need to adjust the cooking time and temperature, as glass retains heat longer than metal.
In summary, while glass pans are heavier than metal pans, the choice between the two depends on your specific needs and the type of food you are preparing. Metal pans are generally more versatile and suitable for most baking and roasting, but glass pans have their advantages, especially for monitoring browning and avoiding reactions with acidic foods.
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Glass pans are harder to clean
When it comes to roasting a turkey, it is recommended to use a metal pan. Metal roasting pans are designed to cook large pieces of meat evenly while collecting the juices that drip from the meat. They are typically made of thick stainless steel or aluminium and can hold the weight of a whole turkey. Metal pans are also more durable and easier to clean and store than glass pans.
Glass pans, such as Pyrex dishes, have been known to shatter when subjected to extreme temperature changes. While Pyrex used to be made of heat-resistant borosilicate glass, it now uses tempered glass, which is more susceptible to shattering. This can be dangerous, especially if there are chips or cracks in the glass that could contaminate the food.
Even without the risk of shattering, glass pans can be more challenging to clean than metal pans. Grease and grime tend to build up around the metal edges of glass lids, requiring extra scrubbing to remove. Soaking the glass lid in hot water and dish soap can help loosen stubborn grease, but it may still require additional scrubbing with a toothbrush or fine-bristled brush.
Additionally, glass pans may require longer cooking times than metal pans due to their slower heat conduction. This can result in overcooked edges and undercooked centres, especially with recipes like brownies or banana bread. Therefore, using a glass pan for roasting a turkey may not yield the desired results and could lead to uneven cooking.
In conclusion, while both glass and metal pans can be used for roasting, metal pans are generally preferred due to their durability, ease of cleaning, and more efficient heat conduction. Glass pans, on the other hand, can be harder to clean and may pose a safety risk if not handled properly, especially when subjected to rapid temperature changes.
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Frequently asked questions
No, it is not recommended to use a glass pan for roasting a turkey. Glass pans are sensitive to sudden temperature changes, which can cause them to crack or shatter. They also don't promote good browning on the turkey skin and may not be large enough to fit a whole turkey.
Metal pans are more responsive to changes in heat and promote surface drying and browning. They are also stronger and less likely to crack or shatter compared to glass pans.
If you don't want to use a metal pan, you can use a heavy-duty stainless steel or enameled cast iron roasting pan, a disposable aluminum roasting pan, or a cast iron skillet or Dutch oven with a lid for smaller birds.
A roasting pan for a turkey should be large enough to accommodate the bird and have raised sides to catch the juices that drip from the meat. A 9x13-inch pan can work for a smaller turkey, but you may need a larger size for a full-sized turkey.











































