Seasoning cast iron means baking a thin layer of oil onto the surface at 450–500°F for one hour, creating a natural, stick-resistant finish.
Seasoning is the process of bonding oil to cast iron with heat, which creates the dark, protective coating that makes the pan naturally non-stick. The good news is that doing it yourself is simple, takes about an hour, and requires only two things: oil and an oven. When you finish, your pan will be ready for years of cooking.
The steps below come straight from Lodge’s official seasoning guidance, and they work for any bare cast iron piece. If you are in the market for your first pan, our roundup of the best bare cast iron cookware covers the top tested options before you start.
What Is Seasoning and Why Does It Matter?
Seasoning is a layer of polymerized oil, which is oil that has been heated to the point where it bonds to the metal. That layer does two jobs: it creates a slick cooking surface so eggs and fish release easily, and it shields the iron from moisture so it doesn’t rust.
Every new bare cast iron pan needs an initial seasoning, and you may also need to re-season an older pan that looks dull, has rust spots, or no longer releases food well. Fortunately, the process is the same for a brand-new skillet and an old one that needs refreshing.
The Step-by-Step Seasoning Process
Here is the exact procedure recommended by Lodge for seasoning (or re-seasoning) cast iron:
- Wash the pan with warm, soapy water and a stiff brush, then dry it completely.
- Rub a very thin layer of cooking oil over the entire pan, inside and out, including the handle.
- Preheat the oven to 450–500°F.
- Place foil on the lower rack to catch any oil drips.
- Bake the pan upside down on the center rack for 1 hour.
- Turn off the heat and let the pan cool inside the oven before removing it.
Warm, soapy water is fine for this step, even though you normally avoid soap on seasoned cast iron during regular cleaning. Drying completely before oiling matters; leftover moisture can interfere with the seasoning and promote rust.
Choosing the Right Oil and Avoiding Common Mistakes
Use a neutral oil with a high smoke point. Canola and vegetable oil are the most common and work perfectly; Food Network’s guide confirms these are solid choices. The key detail is the amount: you want the thinnest layer possible. Rub the oil in, then take a clean paper towel and try to wipe it all back off. What remains is exactly what you need.
Too much oil is the number one mistake. Excess oil pools and bakes into a sticky, gummy surface instead of a slick one. That is also why you bake the pan upside down—it lets gravity pull any extra oil away from the cooking surface, and the foil below catches the drips.
| Mistake | What It Does | The Fix |
|---|---|---|
| Too much oil | Leaves a sticky, tacky surface | Wipe the pan nearly dry before baking |
| Baking right-side up | Oil pools in the cooking surface | Always bake upside down |
| Skipping the drying step | Traps moisture, causing rust | Dry fully before oiling |
| Skipping the foil | Oil drips burn onto the oven floor | Line the lower rack with foil |
| Only one coat | Thin seasoning that wears off quickly | Repeat 3–4 times for a durable finish |
One coat will work in a pinch, but for a smooth, durable surface that resists sticking and rust, plan on 3 to 4 coats total. You can add a fresh coat in minutes anytime the pan starts looking dry or dull.
How to Care for Seasoned Cast Iron
After the pan cools in the oven, its seasoning is set. To keep that finish in good shape, use these simple daily habits: cook with a little oil or butter, avoid cooking highly acidic foods like tomatoes for long stretches early on, and after cleaning, dry the pan on the stovetop over low heat, then rub in a paper-thin layer of oil before storing.
Sticking food after cooking is not a seasoning failure—it is usually a heat issue. Cast iron needs a few minutes on medium or medium-low to heat evenly; cranking the burner high causes sticking. Warm the pan gradually, add your fat, and the surface will release food reliably.
If you do see a rust spot or the pan looks stripped, re-season it using the same steps above. You do not need to strip the whole pan unless the seasoning is flaking badly.
One safety note: the pan and oven racks get extremely hot during this process. Use oven mitts and allow the pan to cool fully before handling it without protection.
References & Sources
- Lodge Cast Iron. “How to Season Cast Iron.” Official seasoning procedure and care guidance.
- Lodge Cast Iron (EU). “Cast Iron Seasoning.” Confirms the baking temperature, oil types, and upside-down method.
- Food Network. “How to Season Cast Iron.” Details on oil selection and common seasoning mistakes.

