hey note, however, that these tips are for aluminum, raw-metal cookie sheets.
Then use hot water and a scrubby sponge or a scrub brush to thoroughly scour the sheet.
This should take care of most of the baked-on mess!
This Smart Cleaning Hack Will Save Your Cookie Sheets
There are some cleaning methods you may not have tried that can restore your cookie sheets to cleaner, shiner versions of themselves.
