
Cast iron pans are beloved by many for their durability, versatility, and natural non-stick finish. However, they do require special care when cleaning to maintain their non-stick coating and prevent rusting. So, what is the best way to wash a cast iron pan? Firstly, never use a dishwasher or soak the pan in water, as this can damage the seasoning and cause rust. Instead, wash cast iron pans by hand using hot water and, optionally, a small amount of mild dish soap. For stuck-on food, scrub the pan with coarse salt or a pan scraper, then rinse and dry thoroughly. Finally, season the pan with a thin layer of cooking oil and it's ready for your next culinary adventure!
Can I wash a cast iron pan?
| Characteristics | Values |
|---|---|
| Use soap | Some sources advise against using soap as it can strip the seasoning from the pan. However, others claim that using a small amount of mild soap is fine. |
| Use scrubber | A pan scraper, nylon brush, or a scrubber made of chainmail or wood can be used to remove stuck-on food. Steel wool can be used to remove rust. |
| Use salt | Salt can be used to scrub the pan, especially for removing stubborn bits of food. |
| Use water | The pan should be washed with hot water. It should not be soaked or left to sit with water in it. |
| Use oil | After cleaning, the pan should be wiped with a small amount of oil. |
| Dry | The pan should be thoroughly dried with a paper towel or dish towel. It can also be dried by heating it on the stove. |
| Use dishwasher | Cast iron pans should not be washed in the dishwasher. |
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What You'll Learn

Use hot water, not soap
When it comes to cleaning cast iron pans, there are various methods and conflicting opinions. However, one consistent piece of advice is to avoid using soap, especially when the pan has a seasoned coating. Soap can strip away the seasoning, affecting the pan's natural non-stick finish.
Instead of soap, it is recommended to use hot water to clean cast iron pans. The hot water helps loosen and remove stuck-on food. For stubborn residue, boiling some water in the pan can help soften it for easier removal. It is important to note that cast iron pans should not be soaked in water, as this can lead to rusting.
To clean a cast iron pan with hot water, start by scrubbing the pan with a cast-iron scrubber or a nylon scrubbing brush. Avoid using steel wool or metal scrubbers, as these can damage the seasoning. For stuck-on food, using a wooden or plastic spatula to scrape the pan while it is still hot can be effective.
After removing the majority of the food residue, it is essential to thoroughly dry the pan. Cast iron pans should be completely dry before storing to prevent rusting. Using a clean dish towel or paper towel, wipe down the pan, ensuring no water residue is left. Some sources recommend heating the pan on the stove to ensure complete evaporation of water and to sterilize it.
While hot water is the preferred method for cleaning cast iron pans without soap, some people do opt to use a small amount of mild dish soap, especially for very greasy pans. If using soap, it is crucial to thoroughly rinse and dry the pan afterward. Additionally, some people choose to re-season the pan after using soap to restore its non-stick properties.
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Avoid the dishwasher
Cast iron pans are easy to clean and maintain, but there are a few things to keep in mind to ensure you don't damage your cookware. Firstly, never put your cast iron pan in the dishwasher. The harsh conditions of a dishwasher cycle are too much for cast iron and will likely damage the pan's seasoning and cause rust.
So, if dishwashers are out, how should you wash your cast iron pan? Well, the good news is that cast iron can handle heavy-duty cooking and cleaning. You can use hot water and scrub the pan with a cast iron scrubber, a pan scraper, or a stiff-bristled brush. For stuck-on food, you can use coarse salt and a dry towel to help lift the food away. If you're dealing with stubborn residue, you can try boiling some water in the pan or placing it on a stove with water in it and scraping off the bits with a wooden spatula as it comes to a boil.
When it comes to soap, there is conflicting advice. Some sources claim that soap strips the seasoning from the pan, so it's best to avoid it. However, other sources claim that using a small amount of mild dish soap is acceptable, especially if you plan to re-season the pan afterward. If you do use soap, make sure to rinse and dry the pan thoroughly.
To ensure your cast iron pan is well-maintained, it's important to keep it seasoned. This involves applying a thin layer of cooking oil to the pan and baking it in the oven at a high temperature. A well-seasoned cast iron pan will have a natural, non-stick finish, making it easier to clean and maintain.
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Use salt to scrub stuck-on food
Cast iron pans are prized for their ability to retain high amounts of heat, making them ideal for cooking various dishes, from steak to cornbread. However, they require special care when cleaning to maintain their non-stick coating and prevent rusting.
One effective method for removing stuck-on food from a cast iron pan is to use salt as an abrasive. Salt, particularly kosher or sea salt, is abrasive enough to break down food particles without damaging the pan's surface. It is also less harsh than metal scrubbers, reducing the risk of scratching the pan or its seasoning.
To clean your cast iron pan with salt, start by dusting the interior of the pan with a couple of tablespoons of coarse salt. Pay extra attention to areas with stubborn residue, adding more salt as needed. Next, fold a clean rag or paper towel and use it to scrub the salt around the pan. The salt will do most of the work, so you won't need to apply too much pressure. Once you've removed the stuck-on food, discard the salt and give the pan a quick rinse with warm water.
After rinsing, it is crucial to dry the pan thoroughly to prevent rusting. Use a clean rag or paper towel to absorb any remaining moisture. You can also place the pan on the stovetop over medium-low heat for about five minutes to ensure complete dryness. Once the pan is dry, finish by wiping it down with a thin layer of cast iron seasoning oil (about 1/4 teaspoon). This step will help maintain the pan's seasoning and protect it from rust.
Using salt to scrub your cast iron pan is a safe and effective way to remove stuck-on food without damaging the pan's surface or seasoning. It is a simple, inexpensive, and natural solution that will help you maintain your cast iron cookware for years to come.
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Dry thoroughly
Drying your cast iron pan is a crucial step in the cleaning process. Leaving your pan to air dry can cause rust, so it's important to dry your cast iron cookware promptly and thoroughly. Use a lint-free cloth or paper towel to dry your pan. If you notice any black residue on your towel, don't worry—this is just the seasoning and is perfectly normal.
If your pan has developed rust, don't panic. You can remove the rust and continue using your cast iron cookware. Use the rough side of a dry Scotch-Brite sponge to gently rub off the rust. You can also use a rust eraser, but be sure to apply only light to medium pressure to avoid causing microcracking. Once you've removed the rust, be sure to wash and thoroughly dry your pan before re-seasoning it.
After your cast iron pan is completely dry, it's a good idea to apply a thin coat of oil to the surface. Use a paper towel to wipe the surface until no oil residue remains. This will help maintain the non-stick coating and prevent rusting. You can use a variety of oils, such as avocado, canola, or vegetable oil.
If you're using your cast iron pan for the first time, a quick rinse and hand dry with a dish towel should suffice. However, older pans may need to be restored or seasoned before use. Properly drying and oiling your cast iron pan will ensure it performs beautifully and lasts for generations.
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Re-seasoning after washing
Cast iron pans are a versatile, inexpensive, and durable option for cooking. They are known for their natural non-stick finish and ability to be used with any type of utensil, even metal, as there is no chemical coating to damage. However, cast iron pans require special care when cleaning to maintain their non-stick coating, known as "seasoning," and to prevent rusting.
Re-seasoning a cast iron pan after washing is a simple process that can be done in a few steps:
Step 1: Cleaning the Pan
Start by thoroughly cleaning the cast iron pan. Use a soft sponge, coarse salt, and a mild dish soap to remove any stuck-on food residue. Avoid using steel wool or metal scrubbers, as they can damage the pan's surface. Rinse the pan with warm water and dry it completely with a clean dish towel or paper towel. It is important to ensure that the pan is completely dry before moving on to the next step.
Step 2: Applying Cooking Oil
Once the pan is clean and dry, apply a thin, even layer of cooking oil to the entire surface, including the inside, outside, and handle. Oils with a high oleic index, such as safflower or canola oil, are recommended. Alternatively, you can use shortening or vegetable oil. Avoid using too much oil, as it may make the pan sticky.
Step 3: Placing the Pan in the Oven
Place the oiled pan upside down on the top rack of the oven. Place a large baking sheet or aluminium foil on the bottom rack to catch any excess oil that may drip. Set the oven temperature between 450-500 degrees Fahrenheit (depending on the oil used).
Step 4: Baking and Cooling
Bake the pan for approximately one hour. This process allows the oil to bond with the iron, creating a protective coating. After baking, turn off the oven and let the pan cool down completely inside the oven to avoid any thermal shock.
Step 5: Repeating as Needed
Depending on the condition of your pan, you may need to repeat the seasoning process a few times to achieve the desired results. A well-seasoned cast iron pan will have a distinct dark and smooth appearance, with no oil residue remaining.
By following these steps, you can effectively re-season your cast iron pan after washing, ensuring that it maintains its non-stick properties and remains protected from rust.
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Frequently asked questions
It is not recommended to use soap to wash a cast iron pan as it can strip the seasoning from the pan. However, some sources say that using a small amount of mild dish soap is okay.
To remove stuck-on food, scrub the pan with coarse salt on a rag or paper towel. If there are stubborn bits, mix a few drops of oil with the salt. For really stuck-on food, use a wooden spatula to scrape the pan as it comes to a boil.
Dry your cast iron pan thoroughly with paper towels. To ensure it is completely dry, place it on the stove and gently heat it until all the water evaporates.











































