Emily ParkerBy Emily Parker

Updated November 2026

Curing a cast iron skillet means baking a thin layer of oil onto bare metal so it hardens into a protective, nonstick surface. Done well, this process gives you a pan that resists rust and improves with every use. The steps below cover what you need, how to apply the oil, and how to keep the new seasoning from failing early.

What You Need Before You Start

Gather these supplies before you begin the curing cast iron skillet process. Most of them are already in a typical kitchen.

Shopping for one? See our guide: Lodge Cast Iron Skillet Review: Pros and Cons.

  • A cast iron skillet, cleaned of any factory coating or rust
  • A neutral oil with a high smoke point, such as flaxseed, grapeseed, canola or vegetable shortening
  • Paper towels or a lint-free cloth
  • A rimmed baking sheet or sheet of foil to catch drips
  • An oven that can reach 450 to 500°F

Step-by-Step Curing Process

Step 1: Clean and dry the pan

Wash the skillet with warm water and a small amount of mild dish soap, then dry it completely. Set it over low heat for a few minutes to drive off any remaining moisture, because trapped water prevents the oil from bonding.

Step 2: Apply a thin coat of oil

Pour about a teaspoon of oil into the pan and rub it over every surface, including the handle and the outside. Then wipe it off with a clean paper towel until the pan looks almost dry. A pan that looks oily will form a sticky, uneven finish.

Step 3: Bake upside down

Place the skillet upside down on the middle oven rack, with a baking sheet on the rack below to catch drips. Heat the oven to 450°F and bake for one hour. Turn off the oven and let the pan cool inside before removing it.

How to Repeat the Cure for a Durable Finish

One cycle creates a thin base layer, but most pans need two to three rounds to build a reliable surface. Repeat the oil-and-bake cycle three times, letting the pan cool fully between rounds. The finish should look smooth and slightly darker after each pass.

Round Oil Amount Oven Temp Bake Time
1 1 teaspoon 450°F 1 hour
2 1 teaspoon 450°F 1 hour
3 1 teaspoon 450°F 1 hour

Testing and Using Your New Seasoning

A properly cured surface looks dark, smooth and even. Check it by frying a couple of eggs or cooking a little bacon, since sticking usually signals that more curing is needed. Heavy initial cooking with fatty foods will strengthen the seasoning further, so the pan gets better with regular use.

Common Mistakes

  • Applying too much oil, which creates a gummy, flaking finish
  • Skipping the drying step, which traps moisture under the coating
  • Baking right side up, which lets oil pool in the cooking surface
  • Using butter or olive oil at high heat, which can burn and leave a sticky residue
  • Rushing the cool-down, which can cause thermal stress or cracking

A reliable tool or two makes the process easier and more consistent.

  • A flaxseed oil made for seasoning, since its polymerizing qualities are widely recommended for building hard seasoning layers. View on Amazon
  • A heavy-duty baking sheet, which catches drips without warping when the oven runs hot. View on Amazon
  • A cast iron scraper, useful for removing any uneven spots before the first bake. View on Amazon

FAQ

How long does curing a cast iron skillet take?

A basic cure takes about three hours, including cooling time, when you do three rounds. Plan for a full afternoon if you want the cooldowns done properly.

Can I cure a cast iron skillet on the stovetop?

Stovetop seasoning is possible, but it produces less even coverage than oven curing. Manufacturers generally recommend the oven because it heats the whole pan evenly.

Do I need to re-cure a skillet after every use?

No. Regular cooking and proper cleaning maintain the seasoning. Re-curing is only needed after stripping the pan or when the surface begins to look dull or sticky.

Conclusion

Curing a cast iron skillet is a simple process once you understand the basic rhythm of oil, heat and cooling. Three thin layers, applied carefully, will give you a surface that is dark, smooth and ready to cook on. Keep up with light oiling and regular cooking, and the seasoning will keep improving over time.

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Emily Parker

About Emily Parker

Emily Parker is part of our editorial team and reviews and edits our cookware & knives guides, checking product details against manufacturer specifications and owner feedback.