How to Season Cast Iron: The Ultimate Guide


Welcome, Asensio, to the ultimate guide on how to season cast iron. Cast iron cookware is a timeless classic that has been used for generations. It is versatile, durable, and can last a lifetime with proper care. Seasoning your cast iron is an essential step in maintaining its longevity, preventing rust, and enhancing its natural non-stick surface. In this article, we will provide you with a detailed guide on how to season cast iron, including the tools and materials needed, step-by-step instructions, and tips and tricks to make the process easier. Let’s get started!

The Benefits of Seasoning Cast Iron

Before diving into the how-to, let’s first discuss the benefits of seasoning your cast iron. When properly seasoned, cast iron develops a natural non-stick surface that allows for easy food release and prevents sticking. It also helps prevent rust and corrosion, making your cookware last longer. Additionally, seasoning cast iron can enhance the flavor of your food and prevent it from absorbing unwanted flavors and odors from previous dishes. Seasoning your cast iron also adds another layer of protection against harmful chemicals that can be found in some non-stick coatings. Overall, seasoning your cast iron is essential for both its maintenance and your health.

Tools and Materials Needed

Before we dive into the seasoning process, let’s go over the tools and materials you will need:

Tools Materials
Scrub brush or steel wool pad Vegetable oil, canola oil or flaxseed oil
Soap Baking soda
Paper towels or rag Oven mitts

Step-by-Step Instructions

Step 1: Preparing the Cast Iron

The first step in seasoning your cast iron is to clean it thoroughly. Use a scrub brush or steel wool pad to remove any rust, debris, or leftover food particles. If necessary, use soap and water, but make sure to rinse and dry the cast iron thoroughly. If your cast iron is new, you can skip this step and move on to the next one.

Step 2: Applying Oil

Next, apply a thin layer of oil all over the cast iron. You can use vegetable oil, canola oil, or flaxseed oil. Make sure to cover all sides, including the handle and any crevices or grooves. Use a paper towel or rag to spread the oil evenly and remove any excess.

Step 3: Baking the Cast Iron

Preheat your oven to 350°F. Place the cast iron upside down on the middle rack, with a sheet of aluminum foil or a baking sheet on the bottom rack to catch any drips. Bake the cast iron for 1 hour, then turn off the oven and let it cool down completely before removing it. Repeat this process 2-3 times to ensure a well-seasoned cast iron.

Step 4: Maintaining Your Cast Iron

After each use, it’s essential to clean your cast iron properly. Use a scrub brush or steel wool to remove any food particles, then rinse with hot water and dry thoroughly. Do not use soap, as it can strip away the seasoning. If necessary, you can use baking soda to remove stubborn stains or odors. Before storing your cast iron, apply a thin layer of oil to prevent rust and protect the seasoning.

Tips and Tricks

Here are some additional tips and tricks to make the seasoning process easier:

  • Flaxseed oil creates the best seasoning, but it requires a longer baking time and several coats.
  • Avoid using olive oil or butter, as they have a low smoke point and can leave a sticky residue.
  • If your cast iron has a sticky or gummy residue, place it in the oven on a self-cleaning cycle.
  • Never soak your cast iron in water, as it can cause rust and damage the seasoning.


How often should I season my cast iron?

It’s recommended to season your cast iron at least once a year, or whenever it starts to lose its non-stick surface.

Can I use soap to clean my cast iron?

While it’s not necessary, you can use soap to clean your cast iron as long as you rinse and dry it thoroughly and apply a new layer of oil afterwards.

Why does my cast iron have a sticky residue?

This can happen if your cast iron wasn’t properly seasoned or if you used the wrong type of oil. To fix this, place your cast iron in the oven on a self-cleaning cycle or use a scrub brush and baking soda.

Can I use my cast iron on a glass stove top?

Yes, cast iron can be used on a glass stove top, but it’s important to be careful not to scratch the surface. Lift the cast iron off the stove top instead of sliding it, and make sure it’s clean and free of debris.

Can I use metal utensils on my cast iron?

Yes, cast iron is durable enough to withstand metal utensils, but be careful not to scratch the seasoning. Nylon or silicone utensils are a safer option.

How can I tell if my cast iron is properly seasoned?

Your cast iron should have a smooth, shiny, and non-stick surface if it’s properly seasoned. You should also be able to see the black color of the iron without any rust or discoloration.

Can I season my cast iron on a grill?

Yes, you can season your cast iron on a grill by following the same process as baking it in the oven.

Can I use my cast iron in the oven?

Yes, cast iron can be used in the oven, but make sure to use oven mitts or gloves, as the handles can get hot.

Can I use my cast iron on an open flame?

Yes, cast iron can be used on an open flame for cooking, but be cautious not to let the flames touch the sides of the cast iron.

Can I store my cast iron in the refrigerator?

Yes, you can store your cast iron in the refrigerator, but make sure to bring it to room temperature before cooking to prevent warping or cracking.

How can I remove rust from my cast iron?

You can remove rust from your cast iron by using a scrub brush or steel wool pad and baking soda. If the rust is severe, you may need to use a rust remover solution or re-season your cast iron.

Can I use my cast iron on an induction cooktop?

Yes, cast iron can be used on an induction cooktop, as long as it has a magnetic bottom to adhere to the surface.

What types of dishes can I cook in my cast iron?

Cast iron can be used to cook a variety of dishes, including meats, vegetables, stews, soups, and even desserts like cobblers and pies.

Can I season a rusty cast iron?

Yes, you can season a rusty cast iron by removing the rust and following the same seasoning process as a new or well-maintained cast iron.

Should I use a gas or electric oven to bake my cast iron?

Either gas or electric oven can be used to bake your cast iron, but make sure to preheat the oven before placing the cast iron inside.


We hope this ultimate guide on how to season cast iron has been helpful and informative. Remember to clean and maintain your cast iron after each use, and always use proper tools and materials when seasoning. With proper care, your cast iron can last a lifetime and provide delicious meals for generations to come. Happy cooking!

Take Action Now

Now that you know how to season your cast iron, why not try out some new recipes and put your newly seasoned cookware to the test? Don’t be afraid to experiment and have fun in the kitchen.


The information provided in this article is for educational and informational purposes only and is not intended as medical or professional advice. Before using cast iron cookware, consult with a medical professional or other expert to ensure it is safe for your specific needs and circumstances. Always follow proper safety precautions when using cookware and kitchen tools.