After you've used your skillet, use a sponge to scrub it with water. But don't let it soak in water, as this can cause rusting. If it still needs a bit more attention, add some kosher salt to the pan and scrub with a damp sponge. The salt acts an abrasive cleaner without disturbing the seasoning.
Cooks for generations didn't use soap on cast iron pans because the soaps were made with lye and vinegar, two ingredients that will absolutely strip seasoning and can even damange the pan's iron. Today's aerosol oven cleaners are often made with lye, or sodium hydroxide.
The Best Way To Clean and Season a Cast Iron Skillet
For regular cleaning, avoid using harsh detergents or steel wool since they can remove the seasoning.
All cooking oils and fats can be used for seasoning cast iron, but based on availability, affordability, effectiveness, and having a high smoke point, Lodge recommends vegetable oil, melted shortening, or canola oil, like our Seasoning Spray.
Dry thoroughly right after you clean—do not let your cast iron air dry. Set on the stove over medium heat to evaporate any remaining water. Rub with a thin coat of vegetable oil (about a ½ teaspoon for a 10 inch skillet) until evenly coated and shiny. Let cool completely and store in a dry place.
Do not use scouring pads or steel wool on cast iron skillets as these will remove the seasoning. Dry the skillet immediately with a clean rag or paper towel to prevent rust. Do not let your cast iron skillet air dry. Lightly oil the skillet using a small amount of your high temp oil on a paper towel once it is dry.
It's important to not use anything too aggressive such as steel wool, sponges or other abrasive cleaning methods as these will strip your seasoning. For particularly difficult to clean messes, fill your pan halfway full with water and heat over the stove.
If cast iron is left in the sink to soak, put in the dishwasher, or allowed to air dry, it will rust. It can also happen when you store your cookware in moisture-prone environments, such as a cabinet near a dishwasher, an open cabinet in a humid location, or stored outside.
Cast Iron Skillet Cleaning Method: Eco-Friendly Dish Soap
The method: Add a dime-sized dot of dish soap (we used Ecos dish soap) to the bottom of the pan and clean with hot water and a stiff bristled brush.
Using soap will not ruin your pan. It is totally fine on enameled cast iron, and on plain cast iron, too. It's not going to destroy your seasoning. With enameled cast iron, you're done: Wash and dry.
WD-40 can be used to remove rust from your cast-iron stovetop depending on how much you use and how long you leave it there. If you want to get rid of it quickly, you can try adding more WD-40 or applying the same layer over again.
Rinse your warm, but not hot, cast iron pan in an empty sink under hot running water using a clean cloth or brush to remove any traces of food. If there are stuck on or burned on foods, use coarse salt as an abrasive.
While rust can be removed with a wire brush or wire wool, you should avoid the use of mechanical tools, particularly on delicate or decorative surfaces, as it may cause damage. If you aren't sure how to clean cast iron antique items that are very worn or rusty, then you should hire a professional to restore them.
Cleaning a Dutch oven and other enameled cast iron
Be sure to let the cast iron cool first to avoid damage from thermal shock, which could warp or crack either the pot or the enamel.
You can use olive oil to season cast iron, but you need to choose a high quality extra virgin olive oil, which should have a smoke point close to 400 degrees Fahrenheit.
Yes, you can boil water in cast iron. To keep the layer of seasoning intact, don't boil water for more than 10 to 15 minutes. You can heat water to a gentle boil or simmer dishes for over 15 minutes – sometimes up to an hour. Be extra careful with acidic dishes like tomato sauce.
If you've burnt food in a cast iron skillet or dutch oven, keep water, soap and acidic items such as vinegar or lemon juice away from your pan as they can create rust and destroy the pan's seasoning. Baking soda, however, is still your friend when it comes to cleaning up a burnt food mess from your cast iron pan.
In short, it's best to apply a very light coating of oil to clean, dry cast iron cookware after each use. The oil protects the iron from moisture and oxidation, which helps prevent rust. Apply cooking oil with a clean, lint-free cloth, then thoroughly wipe down all surfaces of the pan to remove excess oil.
First, it's important to always heat up the pan prior to adding any oil, butter, or fat. When cooking on cast iron, when it comes to fat, less is not always more. It's better to err on the side of too much fat, and then simply drain any excess after cooking.
Generally, we recommend seasoning your cast iron about once per month, but after every time you use it works as well if you find that it could use some seasoning. What type of oil is best for seasoning a cast iron skillet? Canola, vegetable, or coconut oil are best.