Easy Ways To Clean A Burnt Cast Iron Skillet: 11 Steps - WikiHow

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• Cast Iron Cookware

How to Restore a Cast Iron Pan with Burnt-on Food Stains Download Article Quickly clean, season, or strip your cast iron skillet so its like new Co-authored by Kadi Dulude and Cheyenne Main

Last Updated: March 25, 2025 Fact Checked

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• Cleaning Burnt Areas
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• Re-Seasoning the Cast Iron
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• Stripping the Seasoning
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• Video
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• Tips

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This article was co-authored by Kadi Dulude and by wikiHow staff writer, Cheyenne Main. Kadi Dulude is a House Cleaning Professional and the Owner of Wizard of Homes, a New York City-based cleaning company. Kadi has over 10 years of experience and manages a team of over 90 registered cleaning professionals. Her cleaning advice has been featured in Architectural Digest and New York Magazine. There are 10 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 459,728 times.

Do you have burnt, stuck-on grime on your cast iron cookware? All you need to have it looking good as new once again is hot water, baking soda or salt, and a stiff scrub brush. In this article, we’ll tell you how to remove stubborn burnt food and rust stains from your cast iron, and how to re-season it with a neutral oil. We’ll also tell you how to strip the seasoning entirely if your pan doesn’t come clean with traditional methods. With the proper care and patience, your cast iron skillet can give you a lifetime of delicious and nutritious meals.

Getting Burnt Food off a Cast Iron Pan

1. Use hot water and a stiff brush to scrub away lightly burnt areas.
2. Spread baking soda or coarse salt over the base and scrub stuck-on stains.
3. Boil water in your skillet and scrub the area to lift stubborn burnt stains.
4. After the stain is gone, dry the pan completely and apply a thin coat of oil.

Steps

Method 1 Method 1 of 3:

Best Ways to Clean a Burnt Cast Iron Skillet

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1. 1 Scrub lightly burnt areas with hot water and a stiff brush. Boil water in the microwave or on the stove and carefully pour it into the pan.[1] Firmly scrub the burnt areas with a chain mail cast-iron scrubber or a stiff brush. Repeat until the stain is gone.
   • To remove rust, house cleaning professional Kadi Dulude recommends using “a brillo pad or any other metal scouring pad and water and soap to scrub off the rust,” then “wash it off.”[2]
   • Optionally, add a drop or two of dish soap as you scrub. Some sources say that dish soap strips away cast iron—however, modern dish soap is gentler than it used to be and the seasoning on cast iron keeps the metal safe.[3]
2. 2 Use baking soda or salt to scrub away stuck-on burnt food. Scatter kosher salt, coarse sea salt, or baking soda over the base of your skillet. Use a paper towel or soft scrub brush to scrub out any food stuck to the skillet. Give the cast iron a light rinse to remove any leftover salt or baking soda.[4]
   • Alternatively, add a little water to the baking soda to form a paste. Scrub the burnt area with the paste and a stiff brush.
   • Baking soda can also help remove brown rust spots on your cast iron skillet.
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3. 3 Lift away stubborn stains by boiling water in your skillet. Fill your skillet with around 1 inch (2.5 cm) of water and place it over high heat. After the water boils for about 10 minutes, Dulude says to gently nudge the stubborn burnt-on spots with a cast iron scrubber or wooden spatula.[5]
   • This method also works to clean enameled cast iron pots and pans.[6] To clean the outside, use dish soap or baking soda, warm water, and a soft cloth or plastic scraper.[7]
   • Use plastic or wooden tools in your cast iron rather than anything metal. Metal spatulas and spoons can scratch the surface and strip away the seasoning on the pan.
   EXPERT TIP

   Kadi Dulude

   House Cleaning Professional Kadi Dulude is a House Cleaning Professional and the Owner of Wizard of Homes, a New York City-based cleaning company. Kadi has over 10 years of experience and manages a team of over 90 registered cleaning professionals. Her cleaning advice has been featured in Architectural Digest and New York Magazine. Kadi Dulude House Cleaning Professional

   You can remove most burnt food by soaking the pan in water. Then use a cast iron scrubber to remove the burnt-on food. Always re-season your pan with oil before putting it away.

4. 4 Dry the skillet in the oven and apply a thin coat of oil. Wipe the surface of the cast iron down with a dry cloth to remove most of the excess water. Put it in a 300 °F (149 °C) oven for 1 hour until it’s completely dry. When the pan is still warm, pour 1 to 2 US tbsp (15 to 30 mL) of oil into the skillet and use a paper towel to spread it evenly over the surface.[8]
   • Any water left on your skillet when you put it away may cause it to rust. Make sure the skillet is completely dry before oiling it or storing it.
   • Store your pan by hanging it up or stacking it inside other pans with paper towels in between them to prevent them from scraping the finish.[9]
   • Choose a neutral oil with a high smoke point. Vegetable oil, canola oil, and grapeseed oil are best.[10]
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Method 2 Method 2 of 3:

Re-Seasoning a Cast Iron Skillet

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1. 1 Pour a small amount of oil and spread it all over the skillet. Pour 1 to 2 US tbsp (15 to 30 mL) of vegetable, grapeseed, or flax oil into the skillet and spread it all over the surface with a paper towel. Once the skillet is covered, use another paper towel to wipe away any excess oil.[11]
   • Cast iron is porous, which means there are small holes in the surface that absorb the oil, resulting in a smooth cooking surface.
   • Make sure to spread the oil in a thin layer. If you leave too much oil on the skillet, it may become sticky.
   • Colorful enameled cast iron pans don’t require seasoning. Follow the steps above to clean your skillet or pan, then you’re done![12]
2. 2 Put the skillet face down in a 500 °F (260 °C) oven for 1 hour. Place your pan face-down on the top or middle rack of the oven with a sheet tray or tin foil on the rack below it to catch any oil drips. Bake the pan for 1 hour. This allows the oil to set into the surface and give it a non-stick quality.[13]
3. 3 Let the pan cool and repeat the seasoning process. After an hour, turn your oven off and let the cast iron skillet cool down. Repeat this process several times or as necessary until your pan has multiple layers of seasoning and the coating is non-stick.[14]
   • You’ll know your pan is sufficiently seasoned if you can fry an egg in oil or butter without it sticking to the surface.[15]
   • Store your skillet in a clean and dry place. Cast iron tends to rust very quickly, so make sure to keep it away from as much moisture as possible.
   • If you’ve just stripped your pan, repeat these steps multiple times until a smooth finish develops on the surface.[16]
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Method 3 Method 3 of 3:

Stripping a Cast Iron Skillet

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1. 1 Place the pan in a trash bag and spray it with an oven cleaner. If you picked up a used skillet with a ton of built-up grease and gunk, strip the surface to restore the cast iron. Place the pan in a heavy-duty trash bag outside, then spray it thoroughly with an oven cleaner. Tie the bag and let it sit for 12 to 24 hours.[17]
   • Stripping a pan is usually only necessary for badly rusted or burnt pans that won’t come clean with the methods above.
   • If your pan is slightly rusted or burnt, scrub the surface with dish soap, warm water, and steel wool. This will not strip it down to bare metal but will give you a level surface to re-season.[18]
2. 2 Thoroughly clean the skillet with dish soap and hot water. Scrub the surface with steel wool or a stainless steel scrubber and dish soap until all the cleaner is gone. You may have to scrub and rinse the surface multiple times to make sure no chemicals remain.[19]
   • Some recommend using a sandblaster, lye bath, or electrolysis. However, these methods can be dangerous and unnecessary if you only strip 1 pan.[20]
3. 3 Dry the skillet completely, then re-season it. Preheat your oven to 350 °F (177 °C). Use a clean, dry cloth to wipe away any leftover moisture on the surface of your skillet, before putting it in the oven to dry completely. After 1 hour, take the skillet out of the oven and follow the steps in the section above to re-season it.[21]
   • You can also dry your skillet on the stove. Place it over medium-high heat for around 10 minutes, or until all the water evaporates and the skillet is dry.
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Join the Discussion...

Best way to clean cast iron skillet w/o ruining seasoning? WikiGiraffeTamer977 I got a cast-iron pan for my birthday and I've been getting really into cooking with it, but I'm scared of ruining it! I've heard water can ruin the seasoning, but I'm not sure how to clean it then, especially after cooking something really messy or greasy. Any tips for a cast-iron newbie? Read More Chef Jeff Woodward Private Chef Cleaning a cast iron skillet can be challenging but here is a technique that will help you clean it. First, put the skillet on the stove or in the oven to get it warm again. Then, sprinkle coarse salt on the skillet, lightly covering the pan. Use a mild scrub pad to scrub the pan. Rinse with water and dry the pan. Please note that as long as you don’t use soap and water to clean your skillet, you should not have to season it again! Read More James Sears House Cleaning Professional To remove rust from a cast iron skillet, make a paste of hot water and baking soda. Apply it to the skillet and let sit and soak for 5 minutes. Then, scrub it off with a sponge. Read More See all 16 Replies and Read Discussion

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Tips

• Cook fatty foods like bacon or fried chicken in your cast iron cookware to build and preserve the seasoning naturally.[22] Thanks Helpful 0 Not Helpful 1
• To maintain your skillet, try to avoid cooking acidic foods like tomatoes, citrus, and vinegar. These can strip the seasoning and make your food taste metallic.[23] Thanks Helpful 0 Not Helpful 0
• Try not to touch your cast iron straight out of the oven or off the stovetop! It will be very hot, and you will likely burn yourself. Thanks Helpful 16 Not Helpful 19

Tips from our Readers

The advice in this section is based on the lived experiences of wikiHow readers like you. If you have a helpful tip you’d like to share on wikiHow, please submit it in the field below.

• We often don't cook our pan for like a month, as long as there's not a big buildup of food in it. If there is, we scrape it off with a wooden spoon as best as we can or add a little vinegar to the pan and let it simmer on the stove for ten minutes to loosen up the burnt food, then scrape it off.
• Only use soap if food is really caked on there. You will have to make sure the pan is really dry after and then reseason it.

Submit a Tip All tip submissions are carefully reviewed before being published Name Please provide your name and last initial Submit Thanks for submitting a tip for review! Advertisement

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References

1. ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-clean-a-cast-iron-skillet
2. ↑ Kadi Dulude. House Cleaning Professional. Expert Interview
3. ↑ https://www.americastestkitchen.com/articles/5037-is-it-ok-to-use-soap-on-cast-iron
4. ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-clean-a-cast-iron-skillet
5. ↑ Kadi Dulude. House Cleaning Professional. Expert Interview
6. ↑ https://www.epicurious.com/expert-advice/how-to-clean-stained-enameled-cast-iron-pot-article
7. ↑ https://www.realsimple.com/home-organizing/cleaning/how-to-clean-le-creuset
8. ↑ https://www.nytimes.com/wirecutter/guides/how-to-clean-cast-iron-skillet/
9. ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-clean-a-cast-iron-skillet

More References (14)

10. ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-clean-a-cast-iron-skillet
11. ↑ https://www.foodandwine.com/how-to-reseason-cast-iron-8600860
12. ↑ https://www.nytimes.com/wirecutter/guides/how-to-clean-cast-iron-skillet/
13. ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-season-cast-iron
14. ↑ https://www.nytimes.com/wirecutter/guides/how-to-clean-cast-iron-skillet/
15. ↑ https://www.nytimes.com/wirecutter/guides/how-to-clean-cast-iron-skillet/
16. ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-season-cast-iron
17. ↑ https://www.americastestkitchen.com/cooksillustrated/articles/381-how-to-clean-and-season-a-cast-iron-pan
18. ↑ https://www.americastestkitchen.com/articles/3615-how-to-clean-and-season-cast-iron-skillets
19. ↑ https://www.nytimes.com/wirecutter/guides/how-to-clean-cast-iron-skillet/
20. ↑ https://www.nytimes.com/wirecutter/guides/how-to-clean-cast-iron-skillet/
21. ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-clean-a-cast-iron-skillet
22. ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-season-cast-iron
23. ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-season-cast-iron

About This Article

Co-authored by: Kadi Dulude House Cleaning Professional This article was co-authored by Kadi Dulude and by wikiHow staff writer, Cheyenne Main. Kadi Dulude is a House Cleaning Professional and the Owner of Wizard of Homes, a New York City-based cleaning company. Kadi has over 10 years of experience and manages a team of over 90 registered cleaning professionals. Her cleaning advice has been featured in Architectural Digest and New York Magazine. This article has been viewed 459,728 times. 4 votes - 100% Co-authors: 4 Updated: March 25, 2025 Views: 459,728 Categories: Cast Iron Cookware Article SummaryX

To clean a burnt cast iron skillet, wipe it down with oil to get rid of lightly stuck food. For foods that were left to burn a bit longer, scatter some kosher salt, coarse sea salt, or baking soda over the base of your skillet. Use a paper towel to scrub out any food stuck to it, then rinse the skillet to remove any leftover salt or baking soda. You may also be able to boil your burnt food away by filling your skillet with 1 inch of water and placing it over medium heat. As the water begins to simmer and boil, use a wooden or plastic spoon or spatula to scrape away the burnt-on-food. When you’re done cleaning your skillet, wipe the surface with a dry cloth, then put it in a 350 degree Fahrenheit oven for 10 minutes. To learn how to restore and season your skillet once it’s clean, keep reading! Did this summary help you?YesNo

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