Why do baking sheets turn black

I cleaned it with Dawn, soaked it in bleach water I never used bleach on it and hated to do so now , scrubbed it with a green scotch bright pad, and even tried to clean it with brillo. I know brillo can scratch it, but it's got it's share of scratches as it's maybe 50 years old or more. My mom use to use it when I was a kid and I'm 46 now, so I'd say well over 50 years. Please help. I'm not even sure they make backing pans like this any more. It's never rusted. It's made one piece not the folded corners that are in the store today.

I've bought tin cookie sheets and they lasted about 10 years before producing a black layer that came off in the oil when I greased the sheets. Needless to say they went in the trash. I don't want to have to do the same with this. Let it sit on a flat surface for at least 15 minutes, but as long as overnight. Baking soda and vinegar Sprinkle baking soda in the pan. Spray with vinegar. Scrub with a sponge to remove burnt-on dirt leave overnight for best results Repeat process if needed.

Sprinkle the burnt -on area of a non - stick pan with baking soda, then pour vinegar over the baking soda. Let the mixture sit for 30 minutes, then scrub. To avoid baked -on messes in the first place, never use grease, non - stick spray or oil on a non - stick baking sheet. Vinegar Soak a dishcloth in white vinegar and lay it on top of the burnt food in the pot or pan.

Wait approximately an hour and allow the vinegar to work its magic. When you come back, the food will wipe away easily [source: rd]. Baking Soda Sprinkle baking soda on top of the burnt food at the bottom of your pot. Fill the pan with dish soap and water, and add one more magic ingredient: a dryer sheet. Let the pan soak for one hour, then dump out the water and wipe the surface clean.

The annoying scorched residue that wouldn't go away will be completely gone! Start by sprinkling a generous amount of baking soda over the cookie sheet. Next, cover it in hydrogen peroxide. Then sprinkle another layer of baking soda on top. Let it sit for up to two hours the longer the cookie sheet soaks, the more baked -on residue that will come off. Turn the stove on high and allow bring it to a boil. When it gets foamy turn it off and let it sit for about 10 minutes. This will loosen anything crusted and start to loosen the really stubborn stains.

Are your aluminum pans discolored? Discoloration that appears on aluminum utensils can be removed by boiling a solution of two to three tablespoons of cream of tartar, lemon juice or vinegar to each quart of water in the utensil for 5 to 10 minutes.

Next, lightly scour with a soap-filled scouring pad. Keep a bottle in your cleaning caddy and break it out to clean cookie sheets along with baking soda. Let the mixture sit on the pan for up to two hours. Wipe the mixture off with a sponge.

If needed, repeat the process for tough stains. Once finished, rinse the baking sheet well and wash it with mild dish soap. Maker cautions that peroxide can have a bleaching effect and is not a food-grade product. If you choose to use it, first test the peroxide on an inconspicuous spot. Be sure to thoroughly rinse and wash the sheet pan after you complete the stain treatment. There are plenty of ways to clean baking sheets without hydrogen peroxide, so start with one of our other methods first.

As a last attempt, place your ruined baking sheets in the oven and turn on the self-cleaning cycle. Once the cycle is complete and your sheet pans have cooled, wash with mild soap and dry. This is especially true if they are scratched, warped, or the non-stick coating is peeling, scratched, or worn away. By Alicia Chilton Updated November 30, Each product we feature has been independently selected and reviewed by our editorial team. Submerge your dirty baking sheet and let it soak for 30—60 minutes, then scrub off the grime with a scouring pad , the rough side of a scrubby sponge , or steel wool.

But if you want the marks to be less noticeable, do your scrubbing in even, circular motions. After buffing the entire surface and loosening all of the residue—this should take a few minutes—wash the baking pan with dish soap and warm water, then dry.

Laura Murray. The baking soda and vinegar combo is our favorite solution because of its simplicity and lack of harsh chemicals—but there are other tried-and-true cleaning methods.