Cleaning a cast iron skillet can seem like a daunting task, especially when there’s burnt-on food stuck to the surface. But don’t worry—whether you’ve just finished a delicious meal or you’re tackling a neglected skillet from months ago, with a few easy-to-follow methods, your cast iron skillet will be as good as new in no time! In this guide, I’ll walk you through step-by-step instructions and give you helpful tips for cleaning your skillet without damaging its seasoning. Grab your favorite skillet, and let’s get started!

How to Clean a Cast Iron Skillet with Burnt-on Food Using the Basics
Cleaning a cast iron skillet is much simpler than it seems. The main thing to remember is that a little elbow grease, the right tools, and a bit of patience can go a long way. The good news is that a cast iron skillet is incredibly durable, so you don’t have to be afraid of scraping or using some extra scrubbing power. Here are the basics you need to know.
Step 1: Assess the Damage
Before diving into the cleaning process, it’s important to assess the burnt-on food situation. Are you dealing with small, sticky bits or something more stubborn, like charred remnants? The approach you take will depend on the extent of the mess.
- For light, stuck-on food, you may be able to clean it up with a quick scrub.
- If there’s heavy buildup or burnt layers, you may need to break out some extra tools or ingredients.
Take note of the type of burnt food. Starchy substances, such as potatoes or pasta, can sometimes cause sticky layers, while oil or butter can leave a hard, crispy residue. Whatever the case, there’s always a solution to get your skillet back in top shape.
Step 2: Use Hot Water and a Scrub Brush
For light to moderate burnt-on food, the simplest solution is hot water and a brush. Begin by rinsing your skillet under hot running water. Hot water is effective at loosening the burnt food stuck to the surface.
Next, grab a stiff brush or a non-abrasive sponge. You don’t need anything too harsh, as you want to protect the seasoning of the cast iron. Gently scrub the surface in circular motions, focusing on the areas where the food is burnt on. Don’t be afraid to apply some pressure.
Step 3: Add Salt for Extra Scrubbing Power
If you’re still seeing remnants of burnt food after your initial cleaning, salt can be a lifesaver. Coarse salt acts as a natural abrasive, helping to dislodge stubborn bits of food without damaging your pan.
To use salt, pour a generous amount into your skillet while it’s still warm (but not too hot). Use a paper towel or a cloth to scrub the salt around the pan in small circular motions. The salt will act as a scrubber, breaking down any remaining burnt food. Once you’re done, rinse the skillet with warm water and dry it thoroughly.
Step 4: Consider Using Baking Soda for Tough Spots
For really stubborn burnt spots, you might need something a little stronger. Baking soda is an excellent, non-toxic cleaner that’s gentle on your skillet but powerful against tough stains. To use baking soda, make a paste by mixing a couple of tablespoons with a little water. Apply this paste to the burnt spots and let it sit for 10–15 minutes. After that, scrub with your brush or sponge, and rinse with warm water.
Baking soda can help lift burnt food without harsh chemicals, and it also helps absorb odors, leaving your skillet fresh.
Step 5: Re-season Your Skillet After Cleaning
After you’ve successfully cleaned your cast iron skillet, it’s important to restore its seasoning to ensure it continues to perform well in the kitchen. Seasoning helps create a non-stick surface and prevents rust. To do this, dry your skillet thoroughly after cleaning. Then, coat it lightly with vegetable oil or flaxseed oil. Place the skillet in a preheated oven at 450°F (230°C) for about an hour. This will create a durable, shiny layer of seasoning that keeps your skillet in excellent shape for years to come.
By following these basic steps, you can clean your cast iron skillet without damaging it or its seasoning. But if you’re facing a particularly tough mess, there are a few additional methods you can try to get your skillet looking like new.
Advanced Cleaning Techniques for Stubborn Burnt-on Food
When your regular cleaning methods don’t seem to cut it, don’t give up just yet! There are several advanced techniques you can try that are guaranteed to tackle the toughest burnt-on food. Here are a few options to consider.
Step 1: Boiling Water Method
If you have stubborn food stuck on your skillet, boiling water can help loosen the debris. Place your skillet on the stove and add a few cups of water to it. Bring the water to a boil over medium heat, allowing it to loosen up any burnt food.
Once the water is boiling, carefully scrape the bottom of the skillet using a spatula. Be gentle so you don’t damage the surface of your skillet. The food should lift off with minimal effort. Once the water cools, pour it out and scrub the skillet with a brush or sponge. This method works wonders for stuck-on bits.
Step 2: Use of Cast Iron Cleaner
If you’re struggling with extra stubborn burnt-on food, there are specialized cast iron cleaners available. These cleaners are designed specifically for cast iron cookware and are tough on grease and burnt food without damaging the seasoning. Some cleaners come in the form of a paste, while others are in a solid bar form.
To use a cast iron cleaner, apply the paste or rub the bar directly onto the affected areas. Let it sit for a few minutes and then scrub with a brush or sponge. Rinse the skillet with warm water, dry it thoroughly, and re-season it if necessary.
Step 3: The Oven Method for Heavy Cleaning
In extreme cases, when your skillet is heavily burnt, using the oven method can be the most effective way to restore it. This method involves placing the skillet in the oven to help release the burnt-on food. First, preheat the oven to 450°F (230°C) and place the skillet upside down on the middle rack. Lay a sheet of aluminum foil underneath to catch any drips.
Leave the skillet in the oven for an hour to allow the heat to break down the burnt food. Once the skillet is cool enough to handle, you can scrape off the remnants using a spatula or brush. This method is especially helpful for cast iron skillets with multiple layers of stubborn food buildup.
Step 4: Consider Using a Self-Cleaning Oven
If you have a self-cleaning oven, this can be another excellent way to clean your skillet. The high temperatures of a self-cleaning oven will burn off any food or grease. Just make sure to remove any plastic handles or other parts that could be damaged by the heat.
Place your skillet in the self-cleaning oven on a top rack, and run the cleaning cycle. The oven will essentially “burn off” any burnt food residue. After the cycle is finished, you can scrape off the remaining remnants and re-season your skillet.
While these advanced techniques are excellent for tough cleaning jobs, they do require more effort and time. However, the results will be well worth it, bringing your cast iron skillet back to its original glory.
Frequently Asked Questions
Is it safe to use soap to clean my cast iron skillet?
While it’s traditionally advised to avoid soap on cast iron, using a small amount of mild soap occasionally won’t ruin your seasoning. Just make sure to dry and re-season the skillet afterward.
Can I use a wire brush to clean burnt-on food?
Yes, a wire brush can be effective for cleaning heavily burnt-on food, but be gentle to avoid damaging the skillet’s surface. Use it as a last resort.
Do I need to re-season my cast iron skillet after every cleaning?
Not necessarily! If you’ve cleaned your skillet with hot water and a brush, you probably don’t need to re-season it every time. But after more thorough cleanings, re-seasoning helps protect the surface.
Is it okay to put my cast iron skillet in the dishwasher?
No! Never put your cast iron skillet in the dishwasher. The harsh detergents and moisture can strip away the seasoning and lead to rusting.
Can I remove rust from a cast iron skillet?
Yes, rust can be removed from a cast iron skillet by scrubbing the rusted areas with steel wool and then re-seasoning the skillet.
Do I need to use oil every time I cook with my cast iron skillet?
Yes, it’s important to use oil when cooking with a cast iron skillet to maintain its seasoning and prevent food from sticking. A little goes a long way.
Is it necessary to dry my skillet immediately after cleaning?
Yes! Cast iron is prone to rusting if left wet. Always dry your skillet immediately after cleaning, using a towel or by heating it on the stove.
Can I clean my skillet with vinegar?
Vinegar is a great option for removing stubborn stains or rust but should be used cautiously. Mix it with water and scrub gently to avoid damaging the seasoning.
I hope this article helped you learn how to clean your cast iron skillet without stress. By using the right tools and techniques, you can restore your skillet to its best condition, no matter how burnt the food may be.