Two fried eggs and two strips of bacon cooking in a Lodge Blacklock cast iron skillet on a glass cooktop, the handle stamped Blacklock in the foreground.
Lodge Cast Iron · official product image

A “30-year plan” for a cast iron skillet turns out to be one short routine repeated for 30 years. We checked it against the care pages of three makers, Lodge, Field Company and Smithey, on 12 November 2026, and they agree on more than the folklore suggests. After each cook: wash the pan while it is warm (all three say dish soap is fine), dry it completely, ideally over a burner, and wipe on a thin film of oil until the surface looks dry rather than wet. Cook in it often, because cooking with fat is what builds the seasoning. Never soak it, never put it in the dishwasher, and save oven re-seasoning for a pan that has rusted or been stripped. Everything below is that routine in more detail: the few tools it needs, the steps in order, what to do weekly and yearly, the mistakes the makers warn about, how to fix rust, and the narrow cases in which a skillet is actually finished. An earlier version of this article said Field Company forbids soap and offers a paid restoration service. Neither is on Field’s site today, and we have removed both claims. Where the makers differ, we say whose advice it is.

What you need

None of this needs special equipment. The makers’ own care pages name the same short kit:

  • A stiff brush, a nylon scrubber or a pan scraper for loose food. Lodge recommends a nylon brush or scraper for stuck-on food, rather than soaking.
  • A chain mail scrubber. Asked whether you really need one, Field’s FAQ answers “YES”: scuffing the surface lightly each time lifts loose seasoning and leaves well-bonded seasoning in place. Field’s own scrubber was $20 on 12 November 2026 (4 × 5 in, 304L stainless steel, made in the USA). Lodge sells one too.
  • Mild dish soap. Optional, and allowed by all three makers.
  • Paper towels or a lint-free rag. Field warns that cheap paper towels leave fibers and that microfiber cloths can melt on a hot pan.
  • A neutral cooking oil. Lodge’s test kitchen uses vegetable oil, melted shortening or canola oil. Field recommends grapeseed oil or its own blend of grapeseed oil, sunflower oil and beeswax, and advises against flaxseed oil. Smithey pre-seasons with grapeseed oil.
  • Steel wool, for rust only. Lodge does not recommend steel wool or metal scrubbers for daily cleanup, but says they are fine for removing rust.

How do you clean cast iron after every cook?

A hand working a stainless chain mail scrubber across the cooking surface of a smooth black Field Company skillet.
Field Company · official product image

This is the routine Lodge, Field and Smithey each publish, merged into one sequence. The order matters more than any single step.

  1. Start while the pan is still warm. Field’s method begins with the pan warm from cooking. Smithey notes that after some meals a wipe with a paper towel is enough.
  2. Wash with warm water and a brush. Lodge says to start with warm, soapy water. Field and Smithey call soap optional. Use soap if the pan is greasy.
  3. Scrub off what sticks. Use a chain mail scrubber, a scraper or a nylon brush. Smithey also allows a metal spatula on tough, stuck-on food.
  4. Dry completely, then dry again with heat. Towel the pan off, then set it on a burner for a few minutes until the last moisture is gone. Field and Smithey both do this. Lodge’s minimum is drying completely with a paper towel or lint-free cloth.
  5. Oil it thinly. Put a small dab of oil in the pan. Field’s chain mail page puts it at about ¼ teaspoon. Rub it over the inside and outside of the pan.
  6. Wipe the oil back off. Keep wiping until the surface looks dry and matte, in Field’s words. Lodge’s test is that the oil should not run or drip when you tilt the pan. Leftover oil turns sticky.
  7. Store it dry. Keep the pan somewhere cool and dry. Field points out that garages and spots near the sink are common sources of rust.

How often does cast iron need re-seasoning?

Less often than most people think. None of the three makers gives a calendar for oven seasoning, and Field warns that seasoning a pan in the oven too often builds a brittle layer that is more likely to flake. Here is the timing their advice adds up to. It is a schedule of “when”, not of fixed dates.

  • Every cook: steps 1 to 7 above. According to both Lodge and Field, each time you cook with oil or fat, another thin layer of seasoning goes on.
  • The first few weeks with a new pan: cook fatty, seasoning-friendly food. Field suggests cornbread, roasted or sautéed vegetables, focaccia and anything fried, and says to add extra fat when cooking lean food. Field also suggests staying below 450°F while the seasoning is still thin. Smithey’s general advice is to preheat slowly, until the handle feels warm, and to keep the burner at or below its halfway mark.
  • Whenever the surface looks dull or patchy: keep cooking. Lodge and Field both say uneven early seasoning is normal and evens out with use. Lodge suggests sautéing some vegetables.
  • After an acidic dish: expect some seasoning to come off, and add it back. Lodge says acidic recipes are not the best choice for new cast iron, and that once seasoning is built you can cook acidic ingredients for under 45 minutes. Smithey says acidic food may strip or discolor newer seasoning, which you can re-season.
  • Only when needed, in the oven: after rust, after a full strip, or when flaking keeps coming back. Lodge’s method is a very thin coat of oil inside and out, then one hour upside down at 450–500°F with foil on the rack below, then cooling in the oven.

Common mistakes

Most of what goes wrong with cast iron comes down to water left on the pan or too much oil.

  • Soaking it, or leaving it in the sink. Lodge calls soaking “a recipe for rust,” and Field says no soaking and no drip-drying.
  • Putting it in the dishwasher. Lodge says a dishwasher will remove the seasoning and likely cause rust. Field says never.
  • Letting it air-dry. Lodge lists air drying among the common causes of rust. Field adds that heating the pan after towelling drives out moisture you cannot see.
  • Over-oiling. Lodge says a sticky, gummy surface is a sign of excess oil. Field says too much oil in the oven leaves a raised, sticky, spider-web pattern. The cure for both is heat: Lodge bakes the pan upside down for an hour at 450–500°F.
  • Seasoning with flaxseed oil. Field says it tends to make a brittle seasoning that flakes, and recommends grapeseed oil instead.
  • Scrubbing with steel wool every day. Lodge keeps steel wool for rust removal, not daily cleaning.

Is dish soap safe on cast iron?

Yes, according to all three makers. Field explains where the myth comes from: soaps used to contain lye, which damages seasoning, but most dish soaps today are fine and help remove sticky oil residue. Lodge says modern dish soap is no longer strong enough to remove seasoning. Smithey says “a few drops of dish soap won’t hurt.” The real threats are soaking and the dishwasher, not a drop of soap.

How do you fix a rusty cast iron pan?

Rust is a surface problem, and all three makers treat it as fixable at home. Field suggests trying the gentlest step first: wipe the pan with an oiled paper towel, which often lifts light surface rust. If that is not enough, this is Lodge’s sequence, with Field’s and Smithey’s differences noted:

  1. Scour the rust off. Use steel wool and warm, soapy water (Lodge), or a stiff brush under cold water followed by the chain mail scrubber (Field). Smithey uses steel wool or chain mail with soapy water. Keep going until no rust is visible.
  2. Rinse, then dry completely. Smithey and Field return the pan to the burner. Field says three to five minutes.
  3. Oil it thinly, inside and out. For light rust, Lodge says this may be all the pan needs.
  4. Re-season in the oven if the rust was heavy. Lodge: 450–500°F, upside down on the top rack, foil below, one hour, cool in the oven. Field says one or two coats of oil should be enough.
  5. Then cook in it. If rust keeps coming back, look for where the water is getting in. Field names under-drying, skipping the oil, and humid storage.

When a skillet is finished, and what we would replace it with

Rarely, by the makers’ account. Rust, flaking, sticky patches, uneven color and burned-on seasoning all appear in their troubleshooting pages as things you can fix. Smithey’s care page puts it this way: “There is very little that you can do that isn’t restorable.” The cases where a pan may really be done are structural ones: a crack, a break, or a warp that stops the pan sitting flat. Even then, check the warranty first. Field says it will replace cookware that cracks, breaks or warps under normal cooking conditions, for the lifetime of the product. Smithey says it will repair or replace cookware that fails after honest and normal use. Lodge’s Made Right limited lifetime warranty page lists exclusions that include drops, overheating, and normal wear such as rust, and it applies to products bought from Lodge or an authorized US seller. We have not used any of these warranties ourselves.

If you do need a new skillet, these are the two we would look at. We chose them from the makers’ published specifications and care guidance, not from a long-term test. Figures are from each maker’s product page, checked on 12 November 2026.

Lodge Blacklock 10.25” (BL96SK), $60. Lodge’s spec block lists a weight of 4.61 lb, a length of 17.38 in, a width of 10.59 in and a height of 2.06 in. It describes the pan as made in the USA, “triple seasoned” with 100% natural vegetable oil, cast in a thin, lightweight design, with an extended, raised handle, and compatible with any stovetop including induction. Its care line is “Hand wash, dry, oil.” An earlier version of this article gave a lower weight and a different product link. Both are corrected here.

Field Company No.8, $165. Field lists a 10¼” top diameter, an 8¾” cooking surface, a 2” wall, a 16⅛” total length and a weight of 4.3 lb. The page describes a polished cooking surface, pre-seasoning with several coats of grapeseed oil, recycled iron poured in green sand molds, and manufacture in the USA. Field offers a 45-day trial and a lifetime warranty. An earlier version of this article listed a higher price and a lower weight. Both are corrected here.

If you want a bigger pan, Smithey’s No. 12 Skillet was $220 on the same date. Smithey lists a 12” top diameter, a 10.5” cooking surface, a depth of 2.2”, 18.2” handle to handle and a weight of about 8.7 lb, with a polished interior, two or three coats of grapeseed oil as pre-seasoning, US manufacture and a lifetime guarantee. It is roughly twice the weight of the two pans above, so it is a bigger commitment to lift every day.

The care routine is the same for all three. A new pan does not need it any less, and an old one does not need anything more.