What is Baking Pan?
A sheet pan, baking tray or baking sheet is a flat, rectangular metal pan used in an oven. It is often used for baking bread rolls, pastries and flat products such as cookies, sheet cakes, Swiss rolls, and pizzas.
These pans, like all bakeware, can be made of a variety of materials, but are primarily aluminum or stainless steel. The most basic sheet pan is literally a sheet of metal.