How to Season and Maintain a Cast Iron Pan - step by step process guide
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How to Season and Maintain a Cast Iron Pan

5 steps 1h 30min Beginner From $0.70

A properly seasoned cast iron pan lasts generations and outperforms non-stick at a fraction of the price. Seasoning is just polymerized oil bonded to the iron. This walks through initial seasoning, every-cook care, and rescue if it gets rusty.

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Step-by-Step Instructions

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Step 1: Strip old/uneven seasoning (new pan or rescue)

New pans come pre-seasoned but often unevenly. For a clean start: scrub with hot water + dish soap (yes, soap is fine), rinse, dry completely. Skip this on already-seasoned pans you're happy with.

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Hot water + dish soap (new pan strip)

Modern soap doesn't damage seasoning. Scrub, rinse, dry IMMEDIATELY (water = rust).

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Salt scrub for stuck-on food

Coarse kosher salt as an abrasive. Avoid steel wool — strips seasoning. ~$8.

$0.08/use $8 for 100 View Details
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Skip if pan looks good already

If you bought a Lodge that's evenly black and works fine, skip the strip. Just start using it.

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Step 2: Apply a THIN layer of oil

Pour 1 tsp neutral oil (canola, grapeseed, flaxseed) on a paper towel. Rub all over inside, outside, and handle. Then with a CLEAN paper towel, wipe off as much as you can — the goal is the thinnest possible film. Thick oil = sticky pan after baking.

Warning: Too much oil is the #1 mistake. The pan should look 'dry' after wiping. Excess oil polymerizes into a sticky tacky surface that traps food.

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Flaxseed oil (hardest seasoning, may flake)

Forms the hardest film. Some report flaking after multiple coats. Polarizing pick. ~$15.

$0.50/use $15 for 30 View Details
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Grapeseed oil (modern recommended)

High smoke point, neutral flavor, durable seasoning. ~$12.

$0.34/use $12 for 35 View Details
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Crisco shortening (old-school)

What grandma used. Slightly slower-curing but very reliable. ~$8.

$0.20/use $8 for 40 View Details
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Step 3: Bake upside down at 450-500°F for 1 hour

Place pan upside down on the middle rack with a baking sheet underneath to catch drips. Bake at 450-500°F for 1 hour. Turn off oven, let cool inside. The oil polymerizes into a hard glassy black layer.

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Upside-down on middle rack (drip prevention)

Excess oil pools on top side. Catching tray below.

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450-500°F for 1 hour (above oil's smoke point)

High enough that the oil polymerizes, low enough not to burn. Don't go below 450°F.

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Cool inside the oven

Slow cooldown prevents thermal shock cracking. Leave overnight is fine.

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Repeat 3-6 times for best initial layer

Each thin layer compounds. First seasoning = 3-6 cycles. Subsequent use builds it up naturally.

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Step 4: Every-use care: rinse, dry, oil

After every cook: rinse with hot water while pan is still warm. Soap is fine (modern soap doesn't strip seasoning). Dry IMMEDIATELY with a towel. Apply a few drops of oil, wipe to thin film. Store dry.

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Rinse while warm (right after cooking)

Stuck food releases easier when pan is still hot.

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Dry IMMEDIATELY (rust forms in hours)

Towel dry, then put on burner for 30 seconds to evaporate any remaining moisture. Water = rust.

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Thin oil coat after drying

Few drops, paper towel, rub everywhere. Wipe off excess. Maintains the seasoning.

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Store with paper towel inside (humid kitchens)

Absorbs any moisture from humidity. Useful in coastal or humid homes.

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Step 5: Rescue rust

Rust happens. Don't toss the pan. Scrub the rust off with steel wool or a chainmail scrubber, wash with soap and water, dry, then re-season from step 2.

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The Ringer chainmail scrubber

Stainless steel rings scrub off rust without damaging good seasoning. ~$15-20.

$17 one-time View Details
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Steel wool for heavy rust (last resort)

Will strip seasoning where you scrub. Re-season the whole pan after. ~$5.

$0.42/use $5 for 12 View Details
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Vinegar soak for deep rust (60 min max)

1:1 white vinegar + water. Don't leave longer than an hour or vinegar eats the iron. Re-season immediately.

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