Emily ParkerBy Emily Parker

Updated November 2026

Cast iron skillet prep means getting a pan ready for its first real meal. Whether your skillet is brand new, inherited or a thrift-store find, the goal is the same: remove factory coatings or grime, dry the iron completely and build a thin layer of oil that bakes into a slick, protective surface. Done correctly, this takes about an hour of hands-on time and most of an afternoon of oven time.

Step 1: Check What the Pan Came With

Many new skillets ship with a factory seasoning that is usually a light, uneven coat. Some are also coated in a wax or rust-prevention spray. Run a fingertip over the cooking surface. If it feels gritty, tacky or smells like oil that has gone stale, it needs cleaning before you season it. A pan that feels smooth and has an even dark sheen can often go straight to a light oiling and baking.

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

Step 2: Wash Off the Coating and Dry It Fully

Scrub the skillet with hot water, a small amount of dish soap and a stiff brush or nylon scrubber. Modern dish soap will not strip good seasoning from a pan that already has it, so a quick wash is safe. Rinse well, then dry it right away on the stove over medium heat for two to three minutes. Moisture left in the pores is the most common cause of flash rust.

Step 3: Apply a Thin Layer of Oil

Pour about a teaspoon of flaxseed, grapeseed or canola oil into the pan. Rub it over the entire skillet, including the outside, handle and helper handle, using a lint-free cloth or a paper towel. Then wipe it off with a clean towel until the surface looks almost dry. A thin layer bakes into a hard coat; a thick one turns sticky and flaking.

Step 4: Bake the Oil Into the Iron

Set the oven to 450 to 500°F. Place the skillet upside down on the middle rack, with a sheet of foil or a baking tray on the rack below to catch drips. Bake for one hour, then turn off the oven and let the pan cool inside. Repeat the oil-and-bake cycle two or three more times for a stronger base layer.

Prep Checklist

  1. Inspect the surface for coating, rust or bumps.
  2. Wash with hot water and mild dish soap.
  3. Dry on the stove until no moisture remains.
  4. Apply one teaspoon of high-smoke-point oil and wipe thin.
  5. Bake upside down at 450 to 500°F for one hour.
  6. Repeat two to three times and let cool in the oven.

Common Mistakes to Avoid

  • Leaving oil pooled in the pan, which creates sticky spots.
  • Skipping the stovetop drying step, which invites rust.
  • Using olive oil, which can smoke and leave a weak finish.
  • Soaking the pan in water for long periods.
  • Cooking acidic foods like tomato sauce before the seasoning has built up.

A lint-free cloth or thin cotton towel gives you an even oil layer without leaving fibers behind. View on Amazon

A stiff nylon scrubber removes factory coating without gouging the surface, which matters on bare iron. View on Amazon

A rimmed baking sheet placed on the rack below catches oil drips during the bake. View on Amazon

FAQ

Do I need to season a pre-seasoned skillet?

Most pre-seasoned pans benefit from one or two extra oil-and-bake cycles before first use. This adds a thicker base layer that handles eggs and delicate foods better. After that, routine oiling after each wash is usually enough.

Which oil works best for skillet prep?

Flaxseed, grapeseed and refined canola oils are commonly recommended because they have high smoke points and polymerize well. Solid vegetable shortening also works for many cooks.

Why is my skillet sticky after baking?

Sticky spots almost always mean too much oil was left on the surface. Wipe the pan until it looks nearly dry before baking, then bake again at a higher temperature to cure the excess.

Conclusion

Good cast iron skillet prep comes down to clean iron, a bone-dry surface and a thin, evenly baked layer of oil. Repeat the bake cycle a few times and the pan will cook more evenly and release food more easily from the start. Keep up with simple oiling after each use, and the seasoning will keep improving over time.

Ready to choose one?

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.