Emilie Meyer
Glass cooktops are designed to be durable and can accommodate most pots and pans. However, it is not recommended to place hot pans directly on a glass cooktop to prevent thermal shock, which can cause cracks. Some materials, such as cast iron, stoneware, and ceramic, may not be suitable for glass cooktops as they can scratch or fuse to the surface. Stainless steel, titanium, and copper bottom pans are generally safe to use, although copper can leave residue that appears as scratches. Flat-bottomed pans are essential for good cooking performance, and lightweight cookware is preferable to prevent scratches and damage.
Characteristics and values of putting hot pans on a ceramic cooktop
| Characteristics | Values |
|---|---|
| Risk of thermal shock | High |
| Risk of surface scratches | High |
| Recommended cookware material | Stainless steel, carbon steel, copper, titanium |
| Cookware to avoid | Cast iron, aluminium, glass, ceramic, stoneware |
| Induction cooktops | Ensure pan is induction compatible |
| Placement of hot pans | Avoid placing directly over touchscreen or controls |
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What You'll Learn
- Pans made from cast iron, stoneware, and glass are not recommended
- Pans with flat bottoms are essential for good cooking performance
- Pans with smooth porcelain enamel coatings are suitable
- Pans made from stainless steel are highly recommended
- Pans should be lifted, not dragged, to avoid scratching the cooktop
Pans made from cast iron, stoneware, and glass are not recommended
Stoneware can also damage the cooktop, causing unsightly scratches and serious cracks that can impact performance and create a dangerous cooking surface. Glass cookware should also be avoided as it may scratch the cooktop surface and is a poor conductor of heat, leading to longer cooking times and constant attention during cooking.
To prevent scratches and damage to your ceramic cooktop, carefully lift your pots and pans away from the surface instead of dragging them. Use wire racks when pulling items out of the oven, and trivets or heat-resistant pads to protect the surface from hot pans.
When it comes to choosing the right cookware for your ceramic cooktop, lightweight stainless steel is recommended. It is gentle on the cooktop and minimises the risk of damage. Flat-bottomed stainless steel pans are essential for good cooking performance, as the bottom of the pan needs to touch the glass for optimal heat transfer. Stainless steel with a sandwich-clad bottom is especially good, as it combines the durability and stability of stainless steel with the heat conduction and distribution of aluminium or copper.
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Pans with flat bottoms are essential for good cooking performance
Flat-bottomed pans also maximise the cooking surface area, allowing for more efficient cooking and better heat retention. This is beneficial for cooking techniques that require quick and even heating, such as stir-frying or searing. Additionally, flat-bottomed pans are less likely to scratch or damage the cooktop surface, maintaining the integrity of the cooking surface over time.
When choosing cookware for a glass or ceramic cooktop, it is important to consider the material of the pans. Some materials, such as copper, aluminium, or cast iron, may scratch or fuse to the cooktop surface. Stainless steel, titanium, and porcelain-enamel-coated pans are often recommended for these cooktops as they are less likely to cause damage. However, even with these materials, it is crucial to ensure that the pans have smooth, flat bottoms to prevent scratching.
It is worth noting that while flat-bottomed pans are essential for optimal cooking performance on glass or ceramic cooktops, they are also beneficial for other types of cooktops. Gas ranges, for example, still require good contact between the pan and the burner, and flat-bottomed pans provide a larger contact area. Similarly, induction cooktops require cookware with magnetic properties, which can often be found in flat-bottomed pans designed for smooth-top ranges.
In summary, pans with flat bottoms are crucial for achieving consistent and efficient cooking performance, particularly on glass or ceramic cooktops. They prevent damage to the cooktop surface, ensure even heating, and maximise the cooking area. By choosing the right materials and maintaining smooth, flat bottoms, cooks can maintain the longevity and performance of their cookware and cooktop.
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Pans with smooth porcelain enamel coatings are suitable
While glass cooktops are aesthetically pleasing, they require careful handling. Glass cooktops are prone to thermal shock, which can cause cracks, and scratches from heavy cookware. Porcelain enamel coatings are a safe option for glass cooktops. This coating is derived from naturally occurring raw minerals such as clay and rock. It is also highly durable, with a hardness rating of 6 on the Mohs scale.
Pans with porcelain enamel coatings are suitable for glass cooktops as they are resistant to warping, discolouration, and cracking. They can withstand direct flame and temperatures up to 850°F (480 to 450°C). Porcelain enamel is also safe for use with gas, induction, or electric stovetops. It is important to note that the coating must be smooth to avoid scratching the glass cooktop.
Porcelain enamel cookware is also easy to clean and maintain. It has a smooth and nonporous finish, making it simple to hand-wash or put in the dishwasher. Additionally, porcelain enamel is resistant to corrosion from household cleaners and abrasion. This type of cookware is also non-reactive, meaning it does not transmit or absorb odours, ensuring that food does not develop a metallic taste.
When using porcelain enamel-coated cookware on a glass cooktop, it is essential to avoid overheating. While porcelain enamel can withstand high temperatures, extremely high heat can cause the glass cooktop to crack or shut down due to thermal shock. Therefore, it is recommended to use medium to medium-high heat settings when cooking with porcelain enamel pans on a glass cooktop.
Overall, pans with smooth porcelain enamel coatings are a safe and suitable option for glass cooktops. They offer durability, ease of cleaning, and resistance to warping and discolouration. However, it is crucial to use them at appropriate heat settings and avoid overheating to prevent potential damage to the glass cooktop.
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Pans made from stainless steel are highly recommended
It is generally advised to avoid placing hot pans directly on a ceramic cooktop to prevent thermal shock, which can cause cracks. Instead, it is recommended to use trivets or heat-resistant pads to protect the surface.
While ceramic cookware is popular for its aesthetic appeal, with new colours released every season, stainless steel offers a classic look that never goes out of style. Ceramic cookware has a limited lifespan due to its slick surface wearing down over time, whereas stainless steel pans can deliver the same level of cooking performance for decades. Ceramic cookware requires special care, such as avoiding abrasive cleansers and rough scrubbers, and it should not be washed in the dishwasher. In contrast, stainless steel pans are low maintenance and can be cleaned in the dishwasher.
It is important to note that not all stainless steel is created equally, and it is essential to choose high-quality products. Stainless steel pans may require more effort to clean than ceramic ones because they are not non-stick surfaces. However, with proper techniques, serious scrubbing can be avoided.
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Pans should be lifted, not dragged, to avoid scratching the cooktop
Glass cooktops are designed to be durable, but proper care is essential to maintain their optimal condition. One of the most important things to remember when using a glass cooktop is to always lift pots and pans off the surface, rather than dragging them. Dragging cookware, even lightly, can cause scratches on the glass surface.
Scratches on a glass cooktop are not just unsightly; they can also affect the performance of the cooktop and create a dangerous cooking surface. Small cracks and chips can worsen with heat, so it is important to regularly inspect the cooktop for any signs of damage. If cracks or chips are present, it is recommended to discontinue use and consult a professional for repair or replacement.
To avoid scratches and other types of damage, it is important to choose the right cookware for a glass cooktop. Lightweight stainless steel cookware is generally recommended as it is gentle on the cooktop and minimises the risk of damage. Flat-bottomed pans are also essential for good cooking performance, as the bottom of the pan needs to touch the glass for the best heat transfer.
Additionally, it is important to avoid placing hot pans directly on a glass cooktop, as the extreme temperature change can cause thermal shock and lead to cracking. Instead, use trivets or heat-resistant pads to protect the surface when placing hot items on the cooktop. By following these simple care instructions, you can help ensure the longevity and optimal performance of your glass cooktop.
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Frequently asked questions
It is not recommended to place hot pans directly on a ceramic cooktop. The extreme heat on a cold surface could cause the glass to crack due to thermal shock. Use trivets or heat-resistant pads to protect the surface.
Flat-bottomed stainless steel or flat-bottomed ceramic over metal pans work best on a ceramic cooktop. Carbon steel cookware is also suitable as long as it has a flat bottom and is smooth to prevent scratching. Titanium cookware has also tested well on ceramic cooktops.
Cast iron, stoneware, glass, and ceramic cookware are not recommended for ceramic cooktops as they can scratch the surface. Copper bottom pans can also leave a residue that appears as scratches, so they should be cleaned immediately.
