What is the best thing to season cast iron with?

Author: Judy White  |  Last update: Thursday, May 28, 2026

What oils can I use to season cast iron? All cooking oils and fats can be used for seasoning cast iron, but based on availability, affordability, effectiveness, and having a high smoke point, Lodge recommends vegetable oil, melted shortening, or canola oil, like our Seasoning Spray.

What is the best seasoning for cast iron?

Dry the pans with a dishcloth. 2) Pour a small amount of flaxseed oil into the pan. I have tried seasoning with coconut oil, canola, crisco shortening etc. I did get a reasonable result with canola, but have seen the best results using flaxseed.

What oils should not be used on cast iron?

Oil, especially canola oil (bad, unhealthy oil), should not be used. If a quick oiling (not seasoning) in between is desired, it's best to use a high temperature oil like avocado.

What is the best oil to cook with cast iron?

You can generally use whatever oil you prefer, as long as the cooking temperature is below the smoke point of the oil. Olive oil, vegetable oil, sunflower oil, and grapeseed oil are all great multipurpose cooking oils—you can use them for everything from sautéing to baking.

How many times should I season my cast iron before first use?

If you just purchased a new cast-iron pan, you may want to repeat the oiling and heating process one to two more times before you use it for cooking. Even when labeled pre-seasoned, new pans can benefit from the additional protective layers.

The Secret to Seasoning a Cast Iron Skillet (And What NOT to Do)

Should I oil my cast iron after every use?

That's why our simple cleaning steps have you rub oil into your pan after each use to ensure the seasoning remains for quality cooking. You can also season your cast iron cookware in the oven. This method adds a more thorough layer of seasoning onto the entire pan, strengthening the bond to the iron.

What is the best temperature to season cast iron?

Set your clean and dry skillet in a 200° F oven for 15 minutes. Heat opens the pores of cast iron, so that it will easily accept the seasoning. Cast iron retains heat and the entire pan (including the handles) will get hot- so don't forget to use an oven mitt or potholder when you take the pan out of the oven.

Can you use butter to season cast iron?

We get lots of questions about this, so we thought we'd share our guide on how to properly season a cast iron pan: Wash the pan well and rinse, then dry completely. Coat the interior of the pan with a thin layer of vegetable oil, lard or shortening. Avoid using butter or a low smoke point oil such as olive oil.

Do you heat cast iron before adding oil?

When using carbon-steel and cast-iron pans, some people like to heat the dry pan first, then add the oil. This is because high heat causes the oil to oxidize and polymerize, allowing it to bond to the metal, filling in any small pits and divots—a process that seasons the pan, essentially giving it a nonstick surface.

What oil has the highest smoke point?

Best High Smoke Point Oils

Refined Avocado Oil - The smoke point of refined avocado oil is between 480 to 520 degrees Fahrenheit. Canola Oil - All canola oil is refined and has a smoke point between 400 and 475 degrees Fahrenheit. Grapeseed Oil - Grapeseed oil has a high smoke point of 420 degrees Fahrenheit.

What is one thing you should never use to clean and season a cast iron skillet?

It's important to not use anything too aggressive such as steel wool, sponges or other abrasive cleaning methods as these will strip your seasoning.

Does olive oil ruin cast iron?

Can I use olive oil to season my cast iron pan? The answer is a resounding YES. If you're thinking of using something else, like vegetable oil, make sure you do your research. Olive oil has a high smoke point and when done properly you can keep your pan in good shape for years and years.

What oil doesn't go rancid?

Olive oil is mostly monounsaturated fat. Additionally, olive oil actually contains antioxidants and natural compounds that protect it from rancidity.

How many coats of seasoning should you put on cast iron?

Although it's recommended that you only need one coat of seasoning to start searing those steaks and baking those Dutch baby pancakes, many folks apply multiple coats of seasoning onto their cast-iron skillets and Dutch ovens. But, like, four or five.

What damages cast iron seasoning?

6 Mistakes That Could Ruin Your Cast Iron Skillets
  • You don't allow time for the pan to heat up. ...
  • You use the same skillet for savory and sweet. ...
  • You don't clean the pan quickly enough. ...
  • You let your skillet soak. ...
  • You don't re-season the skillet. ...
  • You store the skillet while it's still wet.

Can I use bacon grease to season cast iron?

Lard and bacon are the best seasoning oils

This layer prevents water-soluble proteins (eggs, meat and cheese) from sticking to the pan.

What should not be cooked in cast iron?

What to Avoid Cooking in Cast Iron
  1. Highly Acidic Foods (Like Tomatoes) Over time, cooking with oils and fats continues to build a pan's seasoning; cooking with acidic foods can erode that seasoning. ...
  2. Delicate Fish. ...
  3. Eggs.

Can you put too much oil on cast iron?

Oil. Apply a very thin, even layer of cooking oil to the cookware (inside and out). If you use too much oil, your cookware may become sticky.

What's the best oil to season cast iron?

Common cooking oils like olive oil will gradually produce seasoning, but won't be as effective as grapeseed oil. Canola, other vegetable oils, and shortening are a little better.

How many times should I season cast iron?

You should season a cast-iron skillet at least once a month, but seasoning it after each time you cook with it also works. You may not need to repeat the entire seasoning process as you did before initially using it, but after each use, rinse it and give your cast-iron skillet a quick season by oiling it.

Why is my cast iron streaky after seasoning?

When you season your cast iron, the oil on the skillet undergoes a process called polymerization. Applying too much oil prevents proper polymerization, leaving your cast iron streaky, sticky, bubbly, and tacky. Always wipe off the excess oil(leaving a very thin layer) before putting it in the oven.

Is 350 hot enough to season cast iron?

Bake upside down in the oven at 350 degrees F for 1 hour (line the rack below with foil to catch any oil drips). This will protect the surface and give it an almost nonstick quality.

How do you know if cast iron is seasoned enough?

A well-seasoned skillet has a distinct look to it. It is noticeably dark with a shiny, semi-gloss finish. Of course, if you rarely use your cast-iron skillet, oiling it only two to three times a year will work.

Should I heat my cast iron until it stops smoking?

For the oil to form a shiny non-stick coating (polymerisation) it needs to go past its smoking point. If you're seasoning the pan over a flame then you want the pan on a medium-high heat. If using the oven method, set the oven to very high or 240C/220C fan/gas 9 – which is about as high as most ovens go.

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