baking sheet

baking sheet [beyk-ing sheet] noun

Also known as a cookie pan, cookie sheet pan, cookie baking sheet and half-sheet pan.) A baking sheet panis a large, flat, rectangular pan for baking cookies. Typically made of heavy aluminum, sometimes rimmed, sometimes not.

Bakepedia Tips

We use a classic commercial-style rimmed half-sheet pan anytime we need a broad and flat surface for cookies, large batch bars, meringue disks and more (see baking pans).