How To Clean Your Old Cookie Sheet

2 Materials
4 Hours

When I moved into my Jersey City apartment my Grandma gave me some of her cookie sheets as a gift. Two years and many batches of cookies later these sheets have seen better days! I decided I should share my trick to get them looking brand new! (almost)
Step 1. First I made my cleaning mixture that consists of baking soda and hydrogen peroxide. I mix these two together until they are a paste like consistency.
Step 2. Next, I spread the mixture over the entire sheet. Make sure not to use a heavy hand otherwise it will never dry.
Step 3. After letting it dry for about 3 hours I took a sponge and wiped it all off, scrubbing the really dirty parts.
After you give it a good rinse off, it should be looking good as new!
I hope this post finds you before you begin your cookie baking or maybe even after to keep those sheets fresh and clean for years to come! Happy Holidays :)
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Have a question about this project?

3 of 36 questions
  • Diana Brewer Moran
    on Apr 7, 2019

    Does this really work?

  • Paulette Perez Fultz
    on Aug 17, 2019

    My daughter has some nice heavy duty pots and pans. He RV husband has burned popcorn in 2 of them that we have scrubed and scrubed but it will not come off. What advise do you have for getting off?

    • RJM
      on Jun 19, 2020

      Use Brillo works great. I use it after every baking session n no build up. My cookie sheets are 50 yrs old n still look great. Also use it on bottom of anything I cook or bake with. Of course not on Teflon etc!

  • Pam
    on Feb 21, 2020

    What about cleaning slightly enameled stove top iron grills of grease and rust ?

Join the conversation

2 of 140 comments
  • Cat
    on Dec 9, 2019

    I use parchment for everything. My pan itself is very dirty but who cares of you use parchment? (I do plan on cleaning it soon, so thanks for the tips)

  • Penelope Obenshane
    on Feb 29, 2020

    This is an awesome tip, thank you. I could actually see when baked-on, burned food was lifted-- it was visible staining the top of the peroxide/soda mixture, and in some cases where the spatter was small, could see the entire spot lifted to the top. Much appreciated share!

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