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How to Clean a Cast Iron Skillet

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Cast iron skillet on a blue and white checked towel on a table with a text overlay that says "How to Clean a Cast Iron Skillet."

Cooking with a cast iron skillet is about as old-fashioned as it gets. Back in the days before non-stick coatings for pans existed, cast iron was the original non-stick cookware because a well-seasoned cast iron skillet can do a surprisingly good job of cooking food without having it stick. It’s also really convenient to be able to switch right from the stove top to the oven without having to transfer the food to another pan if you have a recipe that calls for starting off on the stove and finishing in the oven.

If you’ve only ever used modern non-stick pans, though, switching to cast iron cookware can seem a little bit intimidating at first, or at least it was for me. And the big question is, how to clean a cast iron skillet properly? You hear about all of the things you’re not supposed to do that might strip off the pan’s seasoning, and you might end up being afraid to even use the pan because you’re so worried about ruining it.

The good news is that cleaning cast iron really isn’t as big of a deal as it might seem like it is. Once you get used to the difference between cleaning cast iron and cleaning a non-stick skillet, it’s actually really simple! These are the things I do to take care of and clean a cast iron skillet:

How to Clean a Cast Iron Skillet

Step 1) Remove Any Food Residue

A well-seasoned cast iron skillet shouldn’t leave much food residue behind, but depending on what type of food you’re cooking, there might be a little bit stuck on the bottom or the sides of the pan. Using a spatula or even just a spoon, gently scrape off any residue. You could also use a damp cloth or paper towel to help with removing residue.

If you are cooking something that left hardly any food residue behind and the pan just has some leftover cooking fat in it, you can simply wipe the excess fat off with a paper towel or cloth. The very thin layer of oil that will be left after you have wiped off the excess oil will help to coat the pan to keep it ready for the next time you want to use it. This is what I usually do when I make pancakes in my cast iron skillet because they leave hardly any residue behind at all, and I barely even have to clean the pan other than wiping off excess oil.

If you were cooking something that left the pan with enough food residue that you feel like you need to do more than just wipe away excess oil, then you can continue with the following steps:

Step 2) Rinse Out the Pan with Water

Once you’ve scraped off any stuck-on bits of food, give the pan a quick rinse under warm water. You can use a sponge and wash it like you would any other dish, but it’s best to use just water and not any soap because the soap can strip off the seasoning. (Using a little bit of soap once in awhile is ok, but it’s best to not make a habit of it, and you only need a very little bit.)

Step 3) Dry the Pan Completely

This step is important. You don’t want to let the pan sit with water in it for hours or it could start to rust, so simply wipe it dry with a dish cloth right after washing rather than letting it sit in the strainer with your other dishes.

Step 4) Coat the Pan with Oil

By wiping a thin layer of oil onto the dry pan, you can help to protect it from rusting and to build up additional layers of seasoning that will make the pan even more non-stick the more you use it. (You can skip this step if the only thing you did to clean your pan was wipe off excess oil from it. You only need to add oil back again if you used water to clean your pan.

Lard is a traditional seasoning oil for cast iron and it’s most likely what your great-grandmother would have used for caring for her cast iron, but good-quality lard isn’t nearly as accessible these days as it would have been in the past. If you can find a source of good-quality organic lard from healthy, pasture-raised pigs, then that’s great, but if not, coconut oil works just as well and is a lot easier to find.

Other Cast Iron Tips:

* The handle gets hot like the rest of the skillet! At first, the handle will still be cool, but if you’re using the skillet on the stovetop for a while, the handle will eventually get as hot as the rest of the skillet. It’s easy to forget this if you’re used to using other types of skillets, so one way to make sure you don’t burn yourself accidentally would be to use a handle holder. (They’re like little oven mitts that fit right over the handle of the skillet.) I haven’t tried one of these yet, but they seem like they would be a good idea.

* The sooner you can wash your cast iron, the better. It will need to cool down enough to be able to touch, of course, but it will be easier to clean if you do it sooner rather than later.

* Don’t leave water or liquid sitting in the skillet for long. It’s fine to soak your skillet with water for a few minutes, but cast iron isn’t the type of cookware that you want to fill with water and let soak in the sink for hours.

* If your skillet is still warm or hot, use warm water to wash it rather than cold. Putting cold water into the hot skillet could potentially cause it to crack. Cast iron cookware is pretty sturdy, so this isn’t likely to be a problem unless you’re putting ice water straight into a really hot skillet, but just to be on the safe side, warm water is best.

* The better-seasoned the skillet is to begin with, the less cleaning up you have to do. With a really well-seasoned skillet, you might only have to give it a quick wipe-down and call it good without needing to do any scrubbing at all. Seasoning builds up gradually over time as you continue to use the pan, so the absolute best scenario would be if you had a pan that was handed down from your grandmother or great-grandmother. Since that isn’t an option for many of us, the next-best option is to buy a good quality skillet and just keep using it often to build up those nice layers of seasoning.

Sometimes you can find nice, old-fashioned cast iron skillets at antique stores. It’s hit or miss since it isn’t always easy to find ones that aren’t covered in rust, but if you can find one in good condition, the older vintage skillets could be better quality and have a smoother surface than modern cast iron.

The skillet in the picture is one I found at an antique flea market a couple of years ago. It has no markings on it except for the number 3 near the handle, and I don’t know enough about vintage cast iron to be able to date it accurately, but it’s a very well-seasoned pan, and I love it because it’s a smaller skillet that’s just the right size for re-heating food.

Since it isn’t always easy to find a cast iron skillet at an antique store, this is a brand of cast iron cookware that’s a good-quality modern alternative.

With a little bit of extra care, a cast iron skillet can be a sturdy, dependable item of cookware that will last for years.

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Cast iron skillet on a blue and white checked towel on a table with a text overlay that says "How to Clean a Cast Iron Skillet."

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The information in this post is not to be taken as medical advice and is not intended to diagnose or treat any disease.

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Ebony Newman

Friday 2nd of October 2015

Fantastic tips. Cast iron skillet are harder for maintaining. My mom insists that cooking food in it is more delicious. It is true that you shouldn`t leave water to soak in it for too long. Best regards!

Rhoda Edwards

Tuesday 17th of February 2015

Thank you Lori! I am enjoying your site. I am curious to learn more healthy stuff and I am sure going to stick around. I am new to gluten and dairy free cooking especially bread making so any help with that would be much appreciated. Thanks again. Blessings.


Thursday 19th of February 2015

You're very welcome, Rhoda! I'm so glad to have you here! I haven't done much in the way of gluten and dairy free cooking myself, but I know lots of other natural health bloggers who have great gluten and dairy free recipes. You can take a look at my Pinterest boards for an easy way to browse through all of those recipes: There's quite a variety on those boards, so not all of them are gluten and dairy free, but a lot of them are. I hope you're able to find some good new recipes to try! :)

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