
Cookie sheets are designed specifically for baking cookies. They usually have a lip on one side for easy gripping and three flat sides. Cookie sheets come in various sizes, with the standard kitchen oven accommodating a half-sheet tray-sized baking pan, which is 18 inches long and 13 inches wide. Cookie sheets are typically made of aluminum or steel, with aluminum conducting heat better and steel being more durable. Cookie sheets may also be coated with non-stick material, which can be advantageous for removing sticky foods but may also come with the risk of contaminating food with chemicals if scratched.
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What You'll Learn

Cookie sheet vs baking sheet
Cookie sheets and baking sheets are both types of bakeware, but they have distinct designs and uses.
A cookie sheet is a flat sheet of metal with a raised lip on one side, which acts as a grip to help slide cookies or other baked goods off the sheet. Cookie sheets usually have three flat edges and one with a raised lip, but they can also be rimless or have a lower rim on the other three sides. Cookie sheets are designed to allow heat to circulate evenly across the entire surface, and they are ideal for baking cookies, biscuits, rolls, and even pizzas. They can also be used for broiling steaks and toasting nuts.
Baking sheets, on the other hand, are also known as sheet pans and have raised edges on all four sides. They are more versatile than cookie sheets and can be used for a wider range of cooking tasks, including roasting vegetables, meats, and baking brownies or slab pies. Baking sheets are also useful for making sheet cakes and accommodating large dinners. The raised edges can be a disadvantage when baking cookies, as they can make it more difficult to remove the cookies and may interfere with even browning.
The standard size for a full sheet pan is 18" x 26", while a half sheet pan is typically 13" x 18". Cookie sheets, on the other hand, do not have a standard size, but they are commonly found in dimensions of around 17" x 14" or 12" square.
In terms of materials, both cookie sheets and baking sheets are typically made of metal, such as steel or aluminum. Aluminum is known for its superb heat conductivity, resulting in even temperatures, while steel is favoured for its durability and ability to retain heat more evenly. Nonstick coatings, such as PTFE or polytetrafluoroethylene, are also common for cookie sheets to aid in removing baked goods easily. However, these coatings can wear off over time, leading to food sticking and potentially exposing baked goods to toxic chemicals.
In summary, cookie sheets and baking sheets have distinct designs and uses. Cookie sheets are ideal for baking cookies and similar items, thanks to their flat design and easy grip, while baking sheets are more versatile and suitable for a wider range of cooking tasks, despite having raised edges that can sometimes be a disadvantage.
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Standard sheet pan sizes
Cookie sheets, also known as baking sheets, come in a variety of sizes. While there are five industry-standard baking sheet sizes, the specific dimensions may vary slightly between manufacturers. Therefore, it is always a good idea to check the product description for the exact measurements.
Full-size sheet pans, measuring 18" x 26" with a 1" rim, are the largest standard size. They are commonly used in commercial kitchens and bakeries, but are too big for most home ovens.
Half-sheet pans, as the name suggests, are half the size of full sheets and usually measure 18" x 13" with a 1" rim. They are a popular choice for home bakers and are perfect for baking cookies, roasting vegetables, and making sheet pan dinners.
Quarter-sheet pans are a quarter of the size of full sheets or half the size of half sheets, typically measuring 13" x 9" with a 1" rim. They are ideal for toaster ovens and small-batch baking.
There are also 2/3 size sheet pans, measuring 16" x 22", which can fit in a standard 30" oven and accommodate a 25-pound turkey or multiple pie dishes. Additionally, 1/8 size sheet pans, measuring 6 1/2" x 9 1/2", are perfect for oven-to-table use and can double as serving trays.
It is worth noting that cookie sheets or jelly roll pans may have slightly different dimensions, and they often feature rolled edges or lips to facilitate the removal of cakes or cookies without disturbing their shape.
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Sheet pan materials
Cookie sheets and sheet pans are made from a variety of materials, each with its own advantages and disadvantages. The two most common metals used are aluminium and steel. Aluminium is revered for its superb heat conductivity, while steel is favoured for its durability. Aluminised steel, which is steel sandwiched in aluminium, combines the benefits of both materials. However, it is more prone to uneven heat distribution than pure aluminium.
Aluminium is a popular choice for professional sheet pans used in commercial kitchens. It is lightweight, heats up quickly, and cools down fast. This gives cooks more control over the browning of their baked goods. However, aluminium is softer than steel and more prone to warping. Steel, on the other hand, is more durable and less likely to warp, but it may accumulate rust if not thoroughly dried after washing.
Some cookie sheets and sheet pans are coated with a non-stick material, such as food-grade silicone, ceramic, or food-safe chemicals. These coatings make it easier to remove baked goods from the pan and eliminate the need for parchment paper or silicone baking mats. However, non-stick coatings can be scratched, potentially contaminating food with chemicals, and they tend to have a lower oven-safe temperature maximum.
In addition to aluminium and steel, cookie sheets and sheet pans can also be made from other materials such as stainless steel, cast iron, ceramic, glass, hard-anodized aluminium, pewter, and silicone. The choice of material depends on various factors, including heat conduction, durability, ease of cleaning, and cost.
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Sheet pan coatings
Coated non-stick cookie sheets are excellent for removing stubborn or sticky food items. However, they do have some drawbacks. For example, if the coating is scratched, it may contaminate food with chemicals and will need to be disposed of. Non-stick coatings also have temperature limitations and should not be subjected to temperatures above 450ºF.
Some alternative options to non-stick coatings include aluminized steel, stainless steel, and bare aluminum. Aluminized steel is more prone to uneven heat distribution, and stainless steel is known to be a poor performer in the baking sheet category due to its inferior heat conduction compared to aluminum. Bare aluminum sheet pans are ideal for heat conduction as they heat up quickly and cool down fast, giving you more control over the browning of your baked goods.
Overall, when considering sheet pan coatings, it is important to weigh the benefits of non-stick convenience with potential drawbacks, such as temperature limitations and the possibility of contamination if the coating is scratched. Additionally, other factors such as durability, performance, ease of cleaning, and value should be taken into account when making a purchase decision.
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Sheet pan care
Cookie sheets are a type of sheet pan, which is a flat, rectangular metal sheet made for oven use. Sheet pans are versatile and can be used for both sweet and savoury dishes. They can be made from either aluminium or steel, with aluminium being better for heat conductivity and steel being more durable.
Sheet pans are a versatile kitchen tool, but they do require some care to keep them in good condition. Here are some tips to keep your sheet pans in optimal condition:
Prevent Damage
To prevent damage to your sheet pans, it is recommended to line them with parchment paper, a silicone liner, or aluminium foil before cooking. This makes clean-up easier and helps to protect the pan from any mess or spills. Parchment paper is coated on both sides with a thin layer of silicone, making it non-stick and ideal for baked goods. It can withstand temperatures up to 450°F, so it is suitable for roasting as well. Silicone liners are also a good option, especially if you know you're about to cook something potentially messy.
Hand-Washing
When it comes to cleaning your sheet pans, hand-washing is generally recommended. Warm soapy water and a sponge or dish rag are usually sufficient for cleaning your sheet pans. For tougher messes, you can let the pan soak in warm soapy water before scrubbing gently with a non-scratch pad. Avoid using a dishwasher, as the high heat and continuous water pressure can decrease the lifespan of the pans and may cause them to become etched and matte.
Removing Stains
For stubborn stains, a paste made from baking soda and hydrogen peroxide can be applied to the stains and left for an hour or two before scrubbing off. This method is suitable for both aluminium and non-stick pans. For natural aluminium pans, an abrasive pad can be used to remove more stubborn stains, but be careful not to scrub too vigorously on non-stick pans as it may wear away the coating.
Oven Cleaning
When cleaning your oven, it is recommended to remove the sheet pans and racks before running the self-clean cycle. The high temperatures reached during the self-cleaning cycle can damage the pans. Instead, clean the sheet pans separately using the methods mentioned above.
By following these care instructions, you can keep your sheet pans in good condition and prolong their lifespan.
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Frequently asked questions
Cookie sheets are designed for baking cookies and have a lip on one side for easy gripping and three flat sides. Baking sheets, on the other hand, have raised edges on all four sides.
Cookie sheets are typically made from aluminum or steel. Aluminum is known for its superb heat conductivity, while steel is favored for its durability.
Cookie sheets come in various sizes, but the standard half-sheet pan is 18 inches long and 13 inches wide. This size fits inside most home kitchen ovens.
It is recommended to have two cookie sheets of the same size so that you can bake another batch while one is cooling. Additionally, always wash cookie sheets by hand with warm water, dish soap, and a sponge, as dishwashers can decrease their lifespan.











































