Milly Gaines
Cooking with cast iron pans can be an easy and inexpensive way to increase your iron intake. Research has shown that cooking in cast iron cookware may increase the iron content of your meals by up to 16% compared to cooking in a non-stick pan. Acidic and moist foods like applesauce, tomato sauce, and scrambled eggs are more likely to absorb iron, with one study showing that the iron content in 100 grams of spaghetti sauce jumped from 0.6 mg to 5.7 mg when cooked in a cast iron pot. However, it's important to note that the iron from cast iron pans is in a non-heme form, which isn't efficiently used by the body, and cast iron pans should not be the sole source of iron in your diet.
| Characteristics | Values |
|---|---|
| Iron content in food | Cooking in cast iron cookware may increase the iron content of your meals by up to 16% compared to cooking in a teflon-coated non-stick pan |
| Iron intake | Cooking in a cast-iron pan can help raise blood iron in people with low iron levels |
| Safety | Cooking food in cast iron is generally considered safe, but it is not recommended for children between one and three years old |
| Types of food | Acidic and moist foods like applesauce, tomato sauce, and scrambled eggs absorb more iron than dry, non-acidic foods like pancakes, rice, and green beans |
| Cooking time | Longer cooking times increase the amount of iron transferred to food |
| Seasoning | A well-seasoned cast iron pan can be naturally non-stick and easier to clean |
| Pre-heating | Pre-heating a cast iron pan is important to prevent food from sticking or burning |
| Versatility | Cast iron pans can be easily transferred from the stovetop to the oven |
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What You'll Learn
Cast iron pans can increase your iron intake
Cooking with cast iron pans can increase your iron intake. The iron from the pan is absorbed into the food being cooked, thereby boosting its iron content. This process is influenced by factors such as the food's moisture content, acidity, and cooking time. Acidic and moist foods like applesauce, tomatoes, and scrambled eggs absorb more iron from the pan. However, dry and non-acidic foods like pancakes, rice, and green beans don't take up much iron.
Research shows that cooking in cast iron can increase the iron content of meals by up to 16% compared to non-stick pans. For example, the iron content in 100 grams of spaghetti sauce increased from 0.6 mg to 5.7 mg when cooked in a cast-iron pot. Similarly, frying an egg in a cast-iron pan can increase its iron content by almost 1 mg.
Cast iron pans are a great way to increase iron intake for people who need it, such as women and children. It is a simple and inexpensive method to boost iron levels, especially for those who cannot tolerate iron supplements. However, it is important to note that the type of iron absorbed from cast iron pans is non-heme iron, which is not as efficiently utilized by the body compared to other forms of iron.
To maximize the iron absorption from cast iron pans, it is recommended to preheat the pan before use and avoid moving the food around too much during cooking. Additionally, combining iron-rich foods with vitamin C-rich foods can enhance iron absorption. While cast iron pans offer a natural way to increase iron intake, it is always advisable to consult a healthcare professional for personalized advice regarding iron supplementation and dietary changes.
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Cooking acidic foods in cast iron
If you do accidentally oversimmer an acidic ingredient in your cast-iron pan, you may need to discard the food due to the unpleasant taste it may acquire. However, you can simply reseason your skillet and continue using it. To reseason your cast-iron pan, cook fatty foods such as steaks and bacon, which will help enhance the coating of hardened fat on the skillet. Proper washing and maintenance will also help improve the pan's surface, making it slicker and more non-stick over time.
It is worth noting that even well-seasoned cast-iron cookware can add small but meaningful amounts of iron to your diet when cooking non-acidic foods. This can be particularly beneficial for individuals who need extra iron, such as women and children. Additionally, the iron added to food by cast-iron cookware is in the nonheme form, which is not efficiently utilized by the body, and most of it may be excreted unused. Therefore, while cooking with cast iron can provide a small boost in iron intake, it should not be solely relied upon to meet your iron requirements, especially if you are anaemic.
In conclusion, while cooking acidic foods in cast iron can increase the iron content of your meals, it is important to be mindful of the potential drawbacks, such as an unpleasant metallic taste and the breakdown of the pan's seasoning. To mitigate these issues, it is recommended to limit cooking time, avoid letting acidic foods sit in the pan for too long, and properly maintain and reseason your cast-iron cookware.
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Cast iron is safe to use
Research shows that cooking in cast iron cookware may increase the iron content of your meals by up to 16% compared to cooking in a non-stick pan. For example, the iron content in 100 grams of spaghetti sauce jumped from 0.6 mg to 5.7 mg after being cooked in a cast-iron pot. Similarly, the iron content in a cup of applesauce increased by 6 to 8 milligrams after being cooked in cast iron cookware.
However, it is important to note that the type of food you cook in cast iron cookware matters. Acidic and moist foods like applesauce, chilli, tomato sauce, stew, and scrambled eggs are more likely to absorb iron. On the other hand, dry, non-acidic foods like pancakes, rice, and green beans do not pick up much iron from a cast-iron pot. Additionally, it is recommended that children between one and three years old should not have every meal cooked in cast iron cookware as their daily iron requirement is only 7mg.
Cast iron cookware is a great way to increase your iron intake naturally and inexpensively, especially if you are anaemic or have low iron levels.
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How to season a cast iron pan
Cooking in cast iron pans can increase your iron intake. A well-seasoned cast iron pan can be naturally non-stick, easier to clean, and impart small but meaningful amounts of iron into food.
Seasoning a cast iron pan is a straightforward process. Seasoning is a layer of carbonized oil—oil that has been baked onto the pan, giving cast iron cookware a natural, easy-release finish that improves with each use. The best way to maintain the seasoning on your pan is to use it. Each time you cook with some type of fat, you will be adding more seasoning.
- When you get a new cast iron pan, put it through one basic round of seasoning.
- Oil the inside and outside of the pan, including any handles and crevices. Use a vegetable oil, flaxseed oil, Crisco, lard, or canola oil.
- Put the pan in the oven for 30 minutes.
- Take the pan out of the oven (remember it will be hot).
- Rub the pan all over with oil again, then put it back in the oven for another 30 minutes.
- Repeat the oiling-and-heating process three to four times to set down a good initial layer of seasoning.
- Let the pan cool down. It's now ready for cooking.
Once you've got a good layer of seasoning built up, you can use your cast iron pan for acidic foods, like tomatoes and pan sauces.
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How much iron is added to food
Cooking in cast iron can add a significant amount of iron to your diet. In studies, researchers found that spaghetti sauce cooked in cast iron skillets increased iron content by anywhere from 2mg to 5mg. Applesauce increased by about 7mg, and chilli with meat and beans increased by about 5mg.
The amount of iron added to food from cast iron pans depends on several factors, including the food's acidity, moisture content, and cooking time. Acidic foods with higher moisture content, such as applesauce and spaghetti sauce, absorb the most iron. For example, the iron content in 100 grams of spaghetti sauce jumped from 0.6 mg to 5.7 mg after being cooked in a cast iron pot. Longer cooking times and frequent stirring also increase the amount of iron absorbed by food.
It is worth noting that the iron added to food from cast iron pans is non-heme iron, which is not efficiently used by the body, and most of it will be excreted. However, for people who need extra iron, such as women and children, cooking in cast iron can be an inexpensive and easy way to increase their iron intake.
Additionally, not all foods absorb iron from cast iron pans equally. For example, foods with shorter cooking times, such as hamburgers, corn tortillas, cornbread, and liver with onions, may not absorb as much iron due to less contact time with the pan.
While cast iron pans can add iron to your diet, it is important to use them correctly to avoid negative side effects. For example, cooking acidic foods in cast iron pans for too long can result in a metallic taste, and some foods with high amounts of oxalates can react with the iron and turn brown.
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Frequently asked questions
Cast iron pans can increase the iron content of food cooked in them. Individual atoms of iron may flake off or be chemically absorbed by the food, which makes its way to your stomach where the iron gets absorbed and put to use.
Moist, acidic foods like applesauce, chilli, tomato sauce, stew, and scrambled eggs are best for increasing iron content. Dry, non-acidic foods like pancakes, rice, and green beans don't pick up as much iron.
One cup of moist, acidic foods will gain about 6 to 8 milligrams of iron after being cooked in cast iron cookware. However, the increase in iron content depends on the food being cooked, with one study finding that the iron content in 100 grams of spaghetti sauce jumped from 0.6 mg to 5.7 mg after being cooked in a cast iron pot.
Cooking in a cast iron pan is generally considered safe and will not cause iron overload in healthy people. However, it is important to note that the iron added to food from cast iron pans is in the nonheme form, which is not efficiently used by the body. Therefore, while cooking with cast iron pans can help increase iron intake, it should not be relied upon as the sole source of iron in the diet.
