What oil should not be used on cast iron?

Author: Liana Bogisich  |  Last update: Wednesday, June 3, 2026

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. A quick rub can do the trick, if your pan looks a bit dry. I have one pan that is about 100 years old!

What oils are bad for cast iron?

Vegetable oil, canola, and a few others turn to goo and can eventually go rancid if the pan sits long term with no use. Use avocado or grapeseed oil only when seasoning (and oiling after a wash) and that won't happen. The best thing for a cast iron pan (for the finish and the flavor) is to use it frequently!

What kind of oil can I use on my cast iron?

So if you shouldn't use olive oil on cast iron, what should you use? Popular cast iron brand Lodge recommends vegetable oil, canola oil, or even melted shortening. All of the above have higher smoke points and thus will keep your skillet seasoned for longer.

Can I use olive oil in cast iron?

Yes, olive oil can be used to season a cast iron pan, but it may not be the best option due to its lower smoke point compared to other oils. Seasoning involves applying a layer of fat to the pan and heating it to create a non-stick surface.

What oil does Gordon Ramsay use for steak?

Place a cast iron skillet over direct heat, and heat up some olive oil. In the meantime, go ahead and season the steak. The recipe calls for straight salt and cracked black pepper. Add garlic to that, and we're going with our trusty SPG rub.

5 Best Oils for Seasoning Cast Iron Skillets | Advice From a 50+Year Cook

How often should I season cast iron?

You should only need to fully re-season your cast-iron cookware one to two times a year, but you may also want to give it some extra seasoning love anytime you cook something that requires a heavy-duty cleaning.

Can I 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.

What is the healthiest oil to cook with?

Here are some common cooking oils that contain more of the “better-for-you” fats and less saturated fat:
  • Canola.
  • Corn.
  • Olive.
  • Peanut.
  • Safflower.
  • Soybean.
  • Sunflower.
  • Vegetable.

How many layers should you season a cast iron skillet?

I have a cast wok that I've been seasoning quarterly for 3 years now, and a skillet that's been seasoned at least a dozen times over the last few years. But really, try to shoot for at least 3–4 layers if you want to have a nice even layer of polymerized oil.

What is the best thing to season cast iron with?

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.

Should I season cast iron at 350 or 450?

Bake your cookware upside down at 450 degrees Fahrenheit in the oven for one hour. Allow the pan to cool down completely, and repeat three more times.

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.

What oil is best for cast iron stove?

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.

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.

What oil is best for the heart?

Choose monounsaturated and polyunsaturated fats, such as olive and canola oils, over saturated fats, like butter and lard, to minimize your risk of heart disease.

What cooking oil is good for the pancreas?

MCT oils may be a good source of fat for chronic pancreatitis patients and may help alleviate some of the challenges caused by eating a low-fat diet. MCT oils are found in coconut and palm kernel oils and can be mixed into your foods. It's recommended to start with 1 to 3 TBSP of MCT oil per day if needed.

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.

Who makes the best cast iron pans?

Our Top Picks
  • Best Overall: Lodge Blacklock Cast Iron Skillet at Amazon $60. ...
  • Best Budget: SALE. ...
  • Best Enameled: Le Creuset Enameled Cast Iron Skillet at Amazon $220. ...
  • Best Splurge: Stargazer Cast Iron Skillet at Amazon $135. ...
  • Best Set: Lodge Seasoned Cast Iron 5-Piece Set at Amazon $100. ...
  • Most Versatile: ...
  • Best Grill Pan:

How to tell if cast iron is well seasoned?

You can also feel your cast-iron skillet to assess its condition. Being well-seasoned means, it will not seem sticky, greasy or dry. An easy way to tell whether your skillet is well-seasoned is to perform the egg test on the surface.

Can you over season a cast iron?

If you cooked something that stripped off a layer of seasoning on a part of your pan- you can run it through a few rounds of seasoning. You can't over-season cast iron so season as often as you'd like, but don't go crazy thinking you need to season your cast iron every Sunday.

Previous article
Can disposable containers be refilled?
Next article
Is Blum the best cabinet hardware?