
Whether or not to use soap to wash a cast iron pan is a highly debated topic. Some people believe that soap should never be used on cast iron, arguing that it will strip the seasoning and cause rust. Others claim that modern dish soap is gentle enough to be used on cast iron without causing any damage, especially if the pan is well-seasoned. Some manufacturers of cast iron cookware, such as Lodge, endorse the use of a small amount of soap to clean their products. Ultimately, it is up to the discretion of the cast iron pan owner whether or not to use soap, as it may depend on the specific pan and the level of seasoning.
| Characteristics | Values |
|---|---|
| Use of soap | Modern dish soaps are gentler and can be used to wash cast iron pans. However, some sources advise against it, stating that it can negatively affect the seasoning and leave soap residue. |
| Alternative cleaning methods | Cast iron pans can be cleaned with just hot water, a non-abrasive sponge, and elbow grease. Some recommend using oil, salt, or a mixture of both for cleaning. |
| Drying | Cast iron pans should be thoroughly dried after washing to prevent rust. |
| Dishwasher use | Cast iron pans should not be washed in the dishwasher as it can strip the seasoning and cause rust. |
| Soaking | Soaking cast iron pans in water should be avoided as it can lead to rusting. |
| Scrubbing | Steel wool and metal scrubbers should not be used for regular cleaning as they can remove the seasoning and affect the non-stick properties. |
| Enamel-coated cast iron | Enamel-coated cast iron is easier to care for and can be washed in the dishwasher, although hand washing is recommended to protect the finish. |
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What You'll Learn
- Using soap won't ruin your cast iron pan, but it may strip the seasoning
- You can use soap, but you must dry the pan thoroughly to prevent rust
- Some people prefer not to use soap, instead cleaning with oil and paper towels
- If you use soap, use a small amount and a non-abrasive sponge or brush
- Dishwashers should be avoided as they will strip the seasoning and cause rust

Using soap won't ruin your cast iron pan, but it may strip the seasoning
Contrary to popular belief, using soap will not ruin your cast iron pan. However, it may strip the seasoning—the layer of polymerised oil that builds up over years, creating a smooth, protected, non-stick surface. While older dish soaps were made with lye, which would strip seasoning and damage pans, modern soaps are gentler and will not harm a well-seasoned pan. In fact, even Lodge, a cast iron manufacturer, endorses the use of a small amount of soap on its website.
That being said, some people still prefer to avoid soap and stick to traditional methods of cleaning cast iron pans. For example, Virginia Willis, a Georgia chef, uses the same method as her grandmother: washing her skillet with warm soapy water. On the other hand, Isaac Toups of Toups Meatery in New Orleans warns against using soap, as he believes it will make the pan rust. Similarly, Karl Worley of Nashville’s Biscuit Love suggests avoiding soap and instead using fat to clean the pan, while John Lewis, of Charleston’s Lewis Barbecue, advises rubbing the pan with a mixture of salt and oil.
If you do choose to use soap, it is important to use a small amount and to avoid abrasive sponges or scrubbers, as these can damage the pan's surface. Instead, use a nylon brush, a non-abrasive sponge, or a scrub brush to gently scrub the pan. Be sure to dry the pan promptly and thoroughly with a lint-free cloth or paper towel, and then lightly oil the surface of the pan to prevent rust.
While it is generally safe to use soap on cast iron pans, it is important to avoid certain cleaning methods. Do not put cast iron pans in the dishwasher, as this will likely strip the seasoning and cause rust. Additionally, do not leave cast iron pans soaking in water, as this will also lead to rust. Instead, wash cast iron pans by hand and dry them immediately.
In summary, while using soap on a cast iron pan may strip the seasoning, it will not ruin the pan as long as it is well-seasoned. However, there are alternative methods for cleaning cast iron pans, and it is important to avoid dishwashers and soaking the pans in water to prevent rust and maintain the seasoning.
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You can use soap, but you must dry the pan thoroughly to prevent rust
While opinions vary, it is generally considered safe to wash a cast iron pan with soap, as long as it is thoroughly dried to prevent rust. Rust can quickly form on cast iron, so it is important to dry the pan promptly and thoroughly with a lint-free cloth or paper towel. Leaving cast iron pans in a sinkful of water or in the dishwasher will likely lead to rust.
Some people believe that soap will strip the seasoning—the layers of polymerized oil that build up over years of use to create a smooth, protected, non-stick surface. However, this is not necessarily true, as modern dish soaps are gentler than they used to be. Older soaps were made with lye, which would strip seasoning and damage pans, but it is perfectly fine to wash cast iron with soap nowadays.
If you do choose to use soap, it is important to use a small amount and to avoid abrasive sponges or scrubbers, as these can damage the pan's surface. Instead, use a nylon brush, a non-abrasive sponge, or a scrub brush to gently scrub the pan. You can also use a pan scraper to remove stuck-on food.
After washing and drying the pan, it is a good idea to lightly oil the surface. This helps to maintain the seasoning and protect the pan. Simply rub a very light layer of cooking oil onto the surface and wipe out any excess. Then, place the pan back on the stove and heat it until the oil bonds to the cast iron surface.
In summary, while soap can be used to wash a cast iron pan, it is important to use it sparingly and to ensure that the pan is thoroughly dried and oiled afterward to prevent rust and maintain the seasoning.
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Some people prefer not to use soap, instead cleaning with oil and paper towels
While some people choose to use soap to clean their cast iron pans, others prefer to avoid it and opt for alternative methods. One common approach is to utilise oil and paper towels for cleaning. This method helps maintain the seasoning of the pan, which is crucial for its non-stick properties.
When using oil and paper towels for cleaning, it is essential to start by wiping down the pan with a paper towel while it is still hot. This initial step helps remove any excess food residue. After this, the pan can be rinsed with hot water, ensuring that it is not left to soak, as this can lead to rusting.
A nylon brush or a non-abrasive sponge can be used to scrub the pan gently. It is important to avoid using steel wool or metal scrubbers, as these can damage the pan's seasoning and make it less non-stick. Once the pan is clean, it should be thoroughly dried with a paper towel or a lint-free tea towel.
To restore the seasoning, it is recommended to rub a light layer of cooking oil, such as flaxseed, canola, or vegetable oil, on the surface of the pan. The pan can then be placed back on the stove over medium heat until the oil bonds to the surface. This process helps maintain the non-stick properties of the cast iron pan.
Some people also recommend using a mixture of salt and oil to clean cast iron pans. This method can be particularly effective for removing stubborn food residue. After scrubbing the pan with this mixture, it is essential to rinse and thoroughly dry the pan before wiping it down with an oiled towel.
While using soap on cast iron pans is not as detrimental as it once was due to the gentler formulas of modern dish soaps, some people still prefer to avoid it to preserve the seasoning and natural non-stick surface of their pans.
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If you use soap, use a small amount and a non-abrasive sponge or brush
While opinions vary on whether to use soap on cast iron pans, if you do decide to use soap, it is recommended to use a small amount and a non-abrasive sponge or brush. This is because modern dish soaps are gentler than their predecessors and will not damage the pan's seasoning or iron. However, it is important to note that cast iron pans should not be soaked or left in water as this can lead to rusting.
If you choose to use soap, start by pouring a small amount into the pan. Add a bit of warm water and use a nylon brush, a non-abrasive sponge, or a scrub brush to clean the pan thoroughly, inside and out. Be sure to rinse the pan well under hot tap water to remove any soap residue.
After cleaning with soap, it is crucial to promptly dry the pan with a paper towel or a lint-free tea towel. To further protect the pan, it is recommended to rub a light layer of cooking oil, such as flaxseed, canola, or vegetable oil, on the surface. Wipe out any excess oil and ensure the pan is completely dry before storing it away.
While some people choose to avoid soap altogether, modern dish soaps are generally mild and will not harm the pan's seasoning. However, if you prefer to avoid soap, you can simply wipe the pan with a paper towel or cotton rag after cooking while the pan is still hot. Additionally, boiling water in the pan can help loosen any stubborn food residue, which can then be removed with a wooden spatula.
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Dishwashers should be avoided as they will strip the seasoning and cause rust
While cast iron pans can be washed with soap, dishwashers should be avoided as they can strip the seasoning and cause rust. Cast iron pans are brittle and prone to warping or cracking if exposed to sudden temperature changes. Therefore, it is recommended to wash them by hand and dry them immediately.
Dishwashers can be too abrasive for cast iron pans, removing the seasoning and causing rust. The high water pressure and detergent in dishwashers can strip away the natural oils and polymers that build up over time, creating a smooth, protected, non-stick surface. This can leave the pan more susceptible to rusting, as the protective layer has been removed.
Additionally, the harsh detergents used in dishwashers may contain citrus juices or citrus-based cleaners, which can dull the exterior gloss of the pan. Even if the dishwasher is not used frequently, the combination of water and detergent can be enough to strip away the seasoning and cause rust. Therefore, it is recommended to hand wash cast iron pans with mild dish soap and a non-abrasive sponge or scrub brush.
Furthermore, the extreme heat of the drying cycle in a dishwasher can also contribute to the degradation of the pan's seasoning. The high temperatures can cause the pan to dry too quickly, resulting in an uneven or incomplete seasoning. This can lead to a sticky or uneven surface, which can be difficult to rectify.
In summary, while it is possible to wash cast iron pans with soap, dishwashers should be avoided due to the risk of stripping the seasoning and causing rust. Hand washing with mild soap and prompt, thorough drying is the recommended method for cleaning cast iron pans. This ensures the preservation of the pan's natural non-stick surface and protects it from the damaging effects of the dishwasher.
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Frequently asked questions
Yes, you can use a small amount of soap to wash your cast iron pan. However, some people advise against it, as they believe it can strip the seasoning and cause rust. If you do use soap, make sure to dry the pan thoroughly and apply a light layer of cooking oil after washing.
The best way to wash a cast iron pan is by hand with hot water and a non-abrasive sponge or scrub brush. Avoid using steel wool or metal scrubbers, as these can damage the pan's surface. If there is stuck-on food, you can simmer some water in the pan for a few minutes to loosen it before using a pan scraper to remove it.
No, cast iron pans should not be washed in the dishwasher as this can strip the seasoning and cause rust.











































