sheetpan

noun

Plural:   sheetpans

A shallow tray for baking or drying foods in an oven;  sheet pan;  baking tray.

Examples: 

Adorable non-fried analogues can be hand-shaped on sheetpans or in big braziers.  Begrease their upper outsides with a mist or droplets of oil, and broil uncovered at 180 °C (356 °F;  proximately half the maximum of an ordinary uncalibrated gas oven) for plus/minus 90 minutes (with one midtime upside-down turn if possible).  (Source: J∙ Okram - Bartonian Potato Pancakes  ●  Cooking Recipe.)