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Pan & Provision

Cast Iron · Head to head

Cast iron vs nonstick

The comparison is not really about release. It is about whether the surface you cook on is something you make or something you buy.

By Sawyer V.Published How we choose
A cast iron skillet beside a coated frying pan

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The short answer

Buy cast iron for searing, roasting, oven work and anything that needs real heat, and buy one cheap coated pan for eggs and delicate fish. Cast iron's surface is polymerized oil you build and rebuild, so it lasts indefinitely and Lodge publishes 550F for it. A nonstick coating releases perfectly from day one and has a lifespan no manufacturer will state. They are not competitors so much as a division of labor, and most kitchens should own both.

Two completely different kinds of surface

A seasoned cast iron pan's cooking surface is polymerized oil - fat heated past its smoke point until it cross-links into a hard film bonded to the metal. Lodge publishes that it seasons its pans with vegetable oil, and the surface improves with use and is rebuilt when damaged.

A nonstick pan's surface is a manufactured polymer applied at the factory. It works better than seasoning on day one, degrades over time, and cannot be reapplied at home or anywhere else. That is the asymmetry underneath every line of this comparison.

Line by line

Cast ironNonstick
Release when newPoor - it takes weeks of cookingExcellent from the first use
Release at year fiveBetter than year one, with regular useNot published by any maker
RepairableCompletely - strip and re-seasonNo
Oven maximum550F published by Lodge; the iron itself is unbothered400F to 450F across the coated pans here
BroilerIn practice yesNo
SearingExcellent - the best in a domestic kitchenPoor; the coating cannot take the heat
Eggs and delicate fishPossible on a mature pan, fiddly on a new oneEffortless
Metal utensilsYesOnly where published - Calphalon Premier does
DishwasherNeverUsually published safe; it shortens release life
Acidic foodAvoid long contactFine
WeightHeavy - a 12 in skillet is a real liftLight
InductionYes, strongly ferrousStandard aluminum and hard-anodized lines are not
PriceLowLow to moderate, repeated
Every published figure is the maker's own. The blank in the second row is the industry's silence, not an omission on our part.

The specification nobody publishes

Not one nonstick manufacturer in our ledger publishes how long the coating keeps releasing - not T-fal, not Calphalon, not OXO, not GreenPan on the ceramic side. That absence is examined in how long nonstick lasts, and it has two consequences worth stating plainly.

First, the cost per year of a coated pan is unknowable by design. Second, every nonstick warranty excludes coating wear - Calphalon publishes the exclusion in plain words - so the lifetime warranty on a coated pan covers everything except the part that fails. The wording is unpicked in cookware warranties explained.

Cast iron has the opposite property. Its surface degrades and is rebuilt, indefinitely, by a process the manufacturer publishes. A fifty year old cast iron pan is an ordinary object; a fifty year old nonstick pan does not exist.

This is not an argument that nonstick is bad. It is an argument that nonstick is a consumable and should be bought like one - cheaply, singly, with replacement planned.

Heat is the widest gap

Coated pans publish oven ceilings of 400F (T-fal Professional), 430F (OXO Good Grips Pro) and 450F (Calphalon Premier), and none are broiler safe. Those numbers come from the coating, not the aluminum under it.

Cast iron has no coating to protect. Lodge publishes 550F as a cooking guideline for its seasoned range, and the iron itself is unbothered well beyond that - it was cast at temperatures no domestic oven approaches. That is why searing, oven finishing and broiling belong to cast iron and not to a coated pan, as set out in best pans for searing steak.

Eggs, which is the case for the other side

A well-seasoned cast iron skillet cooks eggs cleanly. It takes a mature surface, a properly heated pan and some butter, and it is a genuine skill rather than a default. A coated pan does it on the first morning with no technique at all.

That is a real advantage and there is no virtue in pretending otherwise. If your cooking is occasional, or if mornings are not the time for technique, the coated pan is the better purchase - best nonstick pans for eggs covers what to buy. Delicate fish is the other job where a coating genuinely wins, covered in best pans for fish.

Weight, and who it rules out

A 12-inch cast iron skillet is heavy, and a 12-inch coated pan is not. For anyone with wrist or grip limitations that is not a preference, it is a constraint, and it is a legitimate reason to build a kitchen around lighter materials.

The middle answer is carbon steel: bare, seasonable, tolerant of high heat, and considerably lighter than cast iron for the same diameter. The comparison is in cast iron versus carbon steel, and carbon steel's own version of this page is carbon steel versus nonstick.

A cast iron pan being seasoned
The surface on the left of this comparison is one you build over weeks. That is the whole cost, and it is also the whole benefit.

What each asks of you

Cast iron

  1. Dry it on the burner after washing - thirty seconds, every time.
  2. Keep long acidic cooking out of it, which strips seasoning.
  3. Never put it in a dishwasher, which is the one absolute rule.
  4. Re-season when the surface goes patchy - the method is here.

Nonstick

  1. Keep it off high heat, which is what shortens the coating fastest.
  2. Use silicone or nylon unless the maker publishes otherwise.
  3. Never stack another pan on the coating - storage is a wear mechanism.
  4. Wash gently, and strip the invisible oil film when release fades - how to clean nonstick pans.

Which to buy

  1. You own neither and cook most days: a 10-inch cast iron skillet first. It covers more jobs than any coated pan.
  2. You cook eggs most mornings: a cheap coated skillet, replaced when it stops releasing.
  3. You want both, which is the right answer: cast iron for heat, one coated pan for mornings - roughly the cost of one mid-range coated pan.
  4. Cast iron is too heavy: carbon steel does most of the same jobs at about half the weight.

Both sides of this comparison

Two pans with a repairable surface and a published temperature range, and two with excellent release and no published lifespan. Owning one from each column is a completely reasonable kitchen.

  • No
    photo

    Lodge Seasoned Cast Iron Skillet, 10.25 in (L8SK3)

    Searing, cornbread, and anyone who wants one pan that cannot be worn out

  • No
    photo

    Lodge Seasoned Cast Iron Skillet, 12 in (L10SK3)

    Cooking for three or more, or anything that needs surface area rather than depth

  • No
    photo

    Tramontina Professional Restaurant Fry Pan, 10 in

    Eggs, pancakes and fish, in a kitchen that also owns a stainless or iron pan

  • No
    photo

    OXO Good Grips Pro Hard-Anodized Nonstick Fry Pan, 10 in

    Someone who cooks daily and cares how a pan feels in the hand

Cast iron skillets on Amazon and nonstick skillets are the two searches this page ends at.

Where we stand

We do not make or sell cast iron cookware or nonstick cookware. Both link to the same retailer, both pay us the same commission rate, and we earn exactly the same whichever one you buy — or nothing at all if you buy neither, which is sometimes the right answer. Most of the comparison pages that rank for this question are published by companies that sell one of the two. How we are funded.

What to buy, if you are buying

These are the products this page's reasoning actually points at. Same rules as everywhere else on the site: published specs, a stated trade-off, and a live price only where one exists.

Top pick · The cast iron to buySpecs read September 3, 2026
No
photo

Lodge Seasoned Cast Iron Skillet, 10.25 in (L8SK3)

Pre-seasoned, published to 550F, made in Tennessee and cheap enough that it is the default first pan for most kitchens.

Best for: Searing, cornbread, and anyone who wants one pan that cannot be worn out

Published specifications for the Lodge Seasoned Cast Iron Skillet, 10.25 in (L8SK3)
Diameter10.25 in
Weight5.66 lb
Oven maximum550F
InductionYes - bare iron is ferrous
SeasoningPre-seasoned with soy-based vegetable oil, no synthetic chemicals
WarrantyLifetime
Made inUSA
CareHand wash. Lodge's own instructions permit warm soapy water

Good

  • Effectively unbreakable and fully restorable - a rusted one can be stripped and re-seasoned
  • Holds heat better than anything else at the price, which is what a sear needs
  • Lodge publishes its seasoning method openly, so the maintenance is not a mystery

Not good

  • Heavy
  • Heats unevenly on a small burner: cast iron conducts at roughly 50 W/m-K, so it is slow to spread and slow to react
  • Bare iron is reactive; long tomato braises will taste of it

The trade-off. It weighs 5.66 lb empty. You will feel that every time you move it full, and it is the single most common reason a cast iron skillet ends up in a cupboard.

Skip this if. You have wrist or shoulder trouble, or you cook mostly acidic braises. Carbon steel does most of the same jobs at roughly half the weight.

Specs above were read from Lodge L8SK3 retail spec listing (Abt); Lodge, How To Season. We have not handled this product.

#2 · The searing answerSpecs read September 3, 2026
No
photo

Lodge Seasoned Cast Iron Skillet, 12 in (L10SK3)

Twelve inches of stored heat, which is the specification that separates cast iron from every coated pan.

Best for: Cooking for three or more, or anything that needs surface area rather than depth

Published specifications for the Lodge Seasoned Cast Iron Skillet, 12 in (L10SK3)
Diameter12 in
Oven maximum550F
InductionYes
SeasoningPre-seasoned, soy-based vegetable oil
WarrantyLifetime
Made inUSA
WeightHeavier than the 10.25 in; Lodge does not publish a single figure across all L10SK3 revisions

Good

  • Enough surface to sear four portions without steaming them
  • Same lifetime warranty and same restorability as the smaller pan
  • Cheaper per square inch of cooking surface than any other material here

Not good

  • Overhangs a standard 8-inch burner, so the rim runs cool
  • Heavy enough that two hands is the honest answer for moving it full
  • Needs a matching-size storage spot, which small kitchens do not have

The trade-off. It is meaningfully heavier than the 10.25 and it will overhang a small burner, which makes the edges cooler than the middle.

Skip this if. You cook for one or two on a compact stove. The extra iron will not heat evenly and you will carry the weight for nothing.

Specs above were read from Lodge cast iron skillet listings, Amazon; Lodge, How To Season. We have not handled this product.

#3 · The coated pan to own alongsideSpecs read September 3, 2026
No
photo

Tramontina Professional Restaurant Fry Pan, 10 in

Cheap enough that replacing it is a plan rather than a failure, which is the only honest way to own a coating.

Best for: Eggs, pancakes and fish, in a kitchen that also owns a stainless or iron pan

Published specifications for the Tramontina Professional Restaurant Fry Pan, 10 in
BodyHeavy-gauge aluminum
CoatingPTFE nonstick
InductionNo - aluminum body is not ferrous
Coating lifespanNot published, by this or any nonstick maker

Good

  • Cheap enough that replacing it every couple of years is a real plan rather than a failure
  • Heavy gauge for a nonstick pan, so it does not warp on the first hot burner
  • Silicone handle sleeve that actually stays cool

Not good

  • Not induction compatible
  • PTFE, which some buyers will rule out on principle
  • No published coating lifespan, so the value case is unverifiable by design

The trade-off. It is PTFE. That is fine at normal cooking temperatures, and it is not a pan to preheat empty on high.

Skip this if. You want to avoid PTFE entirely. Buy ceramic instead and accept the shorter release life rather than pretending either one lasts forever.

Specs above were read from FDA, Authorized Uses of PFAS in Food Contact Applications (PTFE status). We have not handled this product.

#4 · The nicer coated panSpecs read September 3, 2026
No
photo

OXO Good Grips Pro Hard-Anodized Nonstick Fry Pan, 10 in

A hard-anodized body and the best handle in the coated category, with the same unpublished lifespan as every other coating.

Best for: Someone who cooks daily and cares how a pan feels in the hand

Published specifications for the OXO Good Grips Pro Hard-Anodized Nonstick Fry Pan, 10 in
BodyHard-anodized aluminum
CoatingThree-layer PTFE nonstick, published PFOA-free
Oven maximum430F published for the line
InductionNo on the standard hard-anodized line
DishwasherDishwasher safe
EdgeRolled, for pouring without dripping down the side
Coating lifespanNot published

Good

  • The rolled pour edge is a small thing you notice every single time you use it
  • The hard-anodized body resists the denting that ruins cheap aluminum pans
  • Handle stays cool and does not rotate the way riveted plastic ones eventually do

Not good

  • Not induction compatible
  • Oven ceiling capped by the handle, not the pan
  • Still a coating, still a consumable, still no published lifespan

The trade-off. The handle that makes it comfortable is a stainless-and-silicone assembly, and that is what caps the oven rating below the body's own limit.

Skip this if. You need induction. The standard hard-anodized body is not ferrous.

Specs above were read from OXO, published cookware specifications and use and care guidance; FDA, Authorized Uses of PFAS in Food Contact Applications (PTFE status). We have not handled this product.

Common questions

Is cast iron better than nonstick?

For searing, oven work and longevity, yes. For eggs and delicate fish on a weekday morning, no. Cast iron's surface is polymerized oil you rebuild indefinitely; a nonstick coating releases better from new and has a lifespan no manufacturer publishes.

Can you cook eggs in cast iron?

Yes, on a well-seasoned pan that has been properly preheated, with some butter. It takes weeks of regular cooking to build that surface, and a new pan will not do it. A coated pan does it on the first morning with no technique.

Which lasts longer, cast iron or nonstick?

Cast iron, by an enormous margin. Its surface is rebuilt rather than worn out, and only a crack or a severe warp ends the pan. No nonstick maker publishes a coating lifespan, and every nonstick warranty excludes coating wear.

Is cast iron safer than nonstick?

Cast iron has no synthetic coating at all - the surface is cooking oil heated until it hardens. Nonstick coatings are addressed by the FDA and EPA positions covered on our nonstick safety page. Neither presents a problem at normal cooking temperatures.

Should I own both cast iron and nonstick?

For most kitchens that is the right answer. Cast iron handles searing, roasting and anything above 450F; one cheap coated pan handles eggs and delicate fish. Buy the coated one on price and plan to replace it.

Sources

Every figure on this page came from one of these. Follow them and check our arithmetic — that is the point.