Think about a file cabinet that has a metal divider with specified areas to add a divider to. This will make the pan the exact size you want it to be.
You would want it to be about 2 in tall so you can fill it as high as you want and as wide as a baking pan so you can bakes cookies in it.
Made from the same type of stuff this is made of:
Cuisinart® is leading the way in eco-friendly branded cookware with our new GreenGourmet™ line. Exclusive Cuisinart Ceramica™ nonstick technology is ceramic based instead of petroleum based, helping to conserve existing oil supplies and the coating is applied at a temperature one half that of conventional nonsticks. And it’s completely free of PTFE and PFOA. The cookware’s hard anodized construction provides high heat conductivity, which requires less energy to reach desired cooking temperatures. Riveted stainless handles stay cool on the stovetop and are made from 70% recycled stainless steel.