A cast iron pan being oiled
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Seasoning a Cast Iron Pan, Properly

The five-minute routine that stops a pan ever going back to the shop-bought, slightly-sticky state. Do it once properly, then just maintain it.

Hands-on

5 minutes

In the oven

1 hour

Difficulty

Easy

Repeat

Every few months

What you'll need

  • —A neutral, high smoke-point oil
  • —Paper towel or a clean cloth
  • —An oven that reaches 220°C
  • —The pan itself, washed and dry

Steps

  1. Washing a cast iron pan

    01Wash and dry it thoroughly

    Warm water and a stiff brush is fine — a small amount of soap won't ruin a well-seasoned pan, despite what you may have heard. Dry it completely, including the handle and underside.

  2. Rubbing oil over a cast iron pan

    02Rub a thin layer of oil over the whole pan

    Inside, outside, and the handle. Use a neutral oil with a high smoke point — grapeseed or flaxseed both work well. Skip olive oil here; it burns at a lower temperature and can turn gummy.

  3. Wiping excess oil off a pan with paper towel

    03Wipe off the excess

    This is the step most people skip, and it's the one that matters most. The pan should look almost dry when you're done — a thick layer of oil is what causes the sticky, tacky finish people complain about.

  4. A pan baking upside down in an oven

    04Bake it upside down for an hour

    220°C, pan upside down, with a tray or foil underneath to catch any drips. Upside down keeps oil from pooling in the base as it heats.

  5. A finished, dark seasoned cast iron pan

    05Let it cool in the oven

    Turn the oven off and leave the pan inside until it's cool enough to handle. It should come out with a faint sheen and a darker, more even colour than when it went in.

Common mistakes

Too much oil

A thick coat doesn't season faster — it just goes sticky. Wipe until it looks almost bare.

The wrong oil

Olive oil and butter both burn at low temperatures and can leave a gummy residue instead of a hard finish.

Expecting it done in one round

A pan builds seasoning over several rounds and regular cooking. The first bake is a start, not a finish line.

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