How much iron can you get from a cast iron skillet?

Author: Prof. Elena Kassulke IV  |  Last update: Monday, January 26, 2026

You'll get best results by cooking moist, acidic foods like applesauce, chili, tomato sauce, stew, and scrambled eggs. As a rough rule of thumb, one cup of these foods will gain about six to eight milligrams of iron after being cooked in cast iron cookware.

Can you get too much iron from a cast-iron skillet?

Cast iron pans can leach a sizeable amount of iron into your food, exceeding dietary intake in some cases. Acidic foods will contribute to much more leaching while an old, heavily-seasoned pan will leach much less iron than a newer one.

Does your body get iron from a cast-iron skillet?

Luckily, research confirms that even cooking in a well-seasoned cast iron pan will still add some iron to the food, but issues with seasoning are just another reason why you shouldn't rely on these tools as the sole method for boosting your iron intake.

Are cast iron pans worth money?

The long lifespan of cast iron along with the growing demand for second-hand instead of new makes vintage cast iron a common find in the antique market. The value of antique cast iron skillets can start at similar to new prices, but a super rare Wagner or Griswold can fetch up to $1,500 apiece.

What is a disadvantage of cast iron?

Prone to Rusting – Being composed primarily of iron, the material is prone to rust and eventually it will get harmed by continued rusting. Frequent contact with moisture will only speed up the process but the damage is inevitable. Heavy – Cast iron is heavy and it can make working with it a bit difficult.

Simple rules for cast iron care

Which is healthier iron or cast iron?

But the quality of iron released in food from iron cookware is more due to its pure nature. Cast iron contains alloys, so the quantity of iron released in food is slightly lower. Not only Anaemic people, but iron-rich food is beneficial for everyone because iron plays an integral role in blood cell formation.

What are the weakness of cast iron?

Cast iron is harder, more brittle, and less malleable than wrought iron. It cannot be bent, stretched, or hammered into shape, since its weak tensile strength means that it will fracture before it bends or distorts. It does, however, feature good compression strength.

How much should I sell my cast iron skillet for?

Oval skillets, waffle irons, Dutch ovens and roasting pans are worth from $40 to as much as $500 each.

What does number 8 mean on cast iron?

Field sizing is based on vintage cast iron conventions, so our No. 8 size means a 10 ¼" width, edge-to-edge. Dimensions: 10 ¼" diameter.

What is the lifespan of cast iron pan?

Keep It Seasoned

Seasoning cast iron is an easy process which makes it different from other pans. You season it once and it's good for decades.

Is it OK to cook in cast iron everyday?

Cast iron is not only safe for everyday cooking but also offers several health benefits. When properly seasoned, the surface becomes virtually non-stick, reducing the need for excessive oil or fats in cooking.

What are the symptoms of too much iron?

Some of the symptoms include:
  • weakness and lethargy.
  • weight loss.
  • joint pain, usually in the joints of the second and middle fingers.
  • abdominal pains.
  • liver dysfunction.
  • sexual dysfunctions, such as impotence and low sex drive.
  • disorders of the menstrual period, such as early menopause.
  • loss of body hair.

How much iron do I get from a cast-iron skillet?

Compared with non-iron cookware, such as Teflon or glass dishes, cooking in cast iron can increase the dietary iron content of our food by up to 16%. However, how much iron actually leaches into our food depends on what we cook and how we cook it.

Can you ruin a cast iron by getting it too hot?

Signs Your Cast Iron Is Damaged

Additionally, if your pan heats beyond its maximum temperature, it may crack, though this is more likely to happen if you don't allow it to cool properly before washing.

Is using a cast-iron skillet healthy?

In short: No. You'd have to be mouse-sized to see quantifiable health benefits from mineral intake exclusively with cast iron. Because mineral transfer happens at such a small scale, it's safe to say that cast iron is not any healthier than other pans.

What does the number 10 mean on a cast iron skillet?

The numbers correlate to the size of ports on antique wood stoves as cast iron cookware and wood stoves often went hand in hand. The number 10 is traditionally a top diameter 11.5" skillet.

What is the best grade of cast iron?

These products offer excellent compression strength and high vibration dampening capability.
  • V-2 (class 40) Gray Iron, ASTM B48: This grade has a high tensile strength of 40,000 PSI with compression strength of 150,000 PSI. ...
  • V-3 (65-45-12) Ductile Iron, ASTM A536: ...
  • V-4 (80-55-06) Ductile Iron, ASTM A536:

When did Griswold stop making cast iron?

Griswold Manufacturing (/ˈɡrɪzwɔːld, -wəld/) was an American manufacturer of cast-iron kitchen products founded in Erie, Pennsylvania, in business from 1865 through 1957. For many years the company had a world-wide reputation for high-quality cast-iron cookware.

How much do you get for scrap cast iron?

Cast Iron – $0.02-0.35 per lb.

Does cast iron get better with age?

The more you use cast iron, the smoother it becomes. Each time you cook with oil, the seasoning on your cast iron improves, making you cast iron darker and smoother. After a few years of regular use, the finish on your cast iron will be very smooth, similar to cast iron you might find at the flea market.

What is the most collectable cast iron skillet?

The most sought after Wapak cast iron are the pans with the “Indian head" medallion on them, which was produced from 1903-1926. The rarest and most collectible is the #4 skillet--until recently.

What destroys cast iron?

If cast iron is left in the sink to soak, put in the dishwasher, or allowed to air dry, it will rust. It can also happen when you store your cookware in moisture-prone environments, such as a cabinet near a dishwasher, an open cabinet in a humid location, or stored outside.

What is the healthiest cookware to use?

“Glass, like Pyrex cookware, is a safe option,” Perko said. “Cast iron is a safe option if NOT frying or using high-temperature cooking. If you have or can use or purchase stainless steel pots and pans, they are healthier choices for long-term/lifetime use.”

How to season a cast iron skillet?

How to Season a Cast-Iron Skillet
  1. Rub the Pan with a Thin Film of Neutral Oil. First, using a paper towel, coat the pan with a neutral oil like canola or vegetable oil (including the bottom and handle of the pan). ...
  2. Bake the Pan for 1 Hour. ...
  3. Cool the Pan In the Oven. ...
  4. Repeat These Steps for an Unseasoned or Stripped Pan.

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