No, you do not need to bake a new layer of seasoning into your skillet every time you use it. True seasoning—where oil is baked onto the iron in an oven—is only necessary when the pan's surface begins to look dull, patchy, or food starts to stick.
Yes, cooking with cast iron pans can contribute to high ferritin levels. While safe for most people, the iron in the pan transfers into your food, and your body absorbs it. This effect is particularly significant for individuals with underlying genetic conditions or those who frequently eat acidic foods.
For individuals with diagnosed iron deficiency or anemia, cast iron cooking alone is not going to provide enough iron, and additional dietary modifications or iron supplements may be necessary." It's also worth noting what type of iron you'll absorb from employing this material in the kitchen.
For an entirely bare or stripped cast iron pan, apply 3 to 4 thin layers of oil and bake them to build a solid, non-stick base. For factory-pre-seasoned pans or minor touch-ups, 1 to 2 rounds are sufficient.
Yes, you can absolutely cook on a cast iron pan right after seasoning it. In fact, cooking with fats and oils helps to build and strengthen your pan's non-stick layer.
No, you cannot over-season cast iron. Adding layers of protective oil improves the non-stick surface. However, you can over-oil your pan during the seasoning process, which results in a sticky or uneven finish.
Put the oiled pan in a preheated 450°F (230°C) oven, and leave it there for 30 minutes. It may get a little smoky, so keep your kitchen well ventilated. It's during this time that the oil will polymerize and form the first of several hard, plastic-like coatings you'll be laying down.
A cast iron skillet is ruined primarily by rust from soaking or improper drying, warping from extreme thermal shock (like cold water on a hot pan), or cracking if dropped. While most seasoning issues are reversible, letting rust cause deep pitting, or fracturing the iron, destroys the cookware permanently.
Yes, you can absolutely use Dawn dish soap on cast iron.
Iron deficiency occurs when your body lacks enough iron to produce hemoglobin, a protein in red blood cells that carries oxygen from your lungs throughout your body. When oxygen levels drop, you can experience a variety of physical and mental symptoms.
While cast iron cookware is celebrated for its durability and heat retention, it comes with several notable drawbacks. Its main disadvantages include heavy weight, the constant need for manual cleaning and seasoning, high reactivity to acidic foods, and uneven, sluggish heating.
One serving of eggs (2x 60g eggs) provides 1.7mg of iron, which represents 14% of the Recommended Dietary Intake (RDI) for adults and 17.5% for children aged 9-13 years.
These are the most common symptoms in the first 6 hours after ingestion.
Avoid cooking highly acidic foods, delicate fish, strong-smelling dishes, and sticky foods (like eggs) in cast iron. These can strip your pan’s seasoning, leach metallic flavors into your food, or leave behind lingering odors.
Lodge cast iron includes a Prop 65 warning primarily out of an abundance of caution to comply with California's strict labeling laws. Because trace, naturally occurring elements (like manganese) can be present during the iron-casting process, the company uses the warning to avoid legal penalties in California, even if the products meet all federal safety guidelines.
Oil Residue & Splotchy Seasoning
How do you fix a badly seasoned cast iron pan? If you see some raised, splotchy residue on your skillet, which often looks like a spiderweb or spotted pattern, this is most likely some oil residue.
A black residue on your paper towel is normal. It is usually just loose carbon from burned food or seasoning, or harmless magnetite (black iron oxide) that builds up on cast iron. Your pan is perfectly safe, but you may need to adjust how you clean it.
Conventional oven seasoning is great and very uniform, but the intense direct heat from stovetop seasoning creates a super strong and durable (and dark) seasoning, especially on the cooking surface.
The difference between cheap and expensive cast iron comes down to weight, surface finish, and craftsmanship. While budget pans are thick, heavy, and have a pebbly texture, premium pans are machined to a silky smoothness, weigh significantly less, and heat up faster.
Yes, you do. Small amounts of iron leach from the pan into your food, which your body then absorbs. While it won’t cure severe anemia on its own, it is a proven way to boost your daily dietary intake.
Cast iron skillets can last a lifetime—and even last for generations when cared for properly. Because they are built from a single, durable piece of metal, they do not wear out like traditional non-stick pans. Even if a pan develops rust or loses its seasoning, it can almost always be stripped down and restored.
Oven seasoning is optional; if you do it, use grapeseed or sunflower oil (avoid flaxseed), start at 200°F, increase to 400°F for one hour, and wipe away excess oil until the pan has a dry, matte finish.
If you're just swiping a layer of oil onto the surface of your skillet, you're not seasoning your cast iron correctly. Seasoning involves a chemical reaction made possible through heat.
All you have to do after you purchase your cast iron is rinse, hand dry, and start cooking! We don't recommend using beef tallow, lard, or ghee to season your skillet because it can go rancid.