If you have ever cooked on a good cast iron skillet, you know that feeling when an egg slides around like it is on glass. That slippery surface is called seasoning, and it is not some secret spray you buy at the store. Seasoning is built right into the pan through heat and oil. It is a natural coating formed when fat molecules break down and bond with the iron. This coating protects the metal from rust and gives your food a subtle, savory flavor that keeps getting better with every meal. The best part is that you do not need to be a chef to achieve it. All you need is a little patience and a few common kitchen supplies.

Start by preheating your oven to 400 degrees Fahrenheit, because the entire seasoning process happens inside there. Before you bake your pan, wash it thoroughly with soap and water if it is brand new. Even though you normally avoid soap on seasoned cast iron, a new skillet often has a light waxy coating from the factory that needs to come off. Dry it completely, then rub a thin layer of canola or vegetable oil all over the pan, including the handle and the bottom. Once you have oiled the entire surface, take a clean, dry cloth and wipe it away as if you had made a mistake. The goal is to leave behind a microscopic film of oil, not a visible puddle. Too much oil creates sticky spots, which defeats the purpose.

Place your oiled skillet upside down on a middle oven rack, and put a sheet of foil on the rack below to catch any drips. Turn on the oven to 400 degrees and let the pan bake for one full hour. When the hour is up, turn off the heat and let the skillet sit in the oven until it is completely cool. This slow cooling helps the oil harden into that glossy, plastic-like coating. For a new pan, repeat this process three or four times. Yes, it takes a few hours, but you only have to do it once. After that, your skillet is ready for everyday cooking, and every time you use it with a little oil and heat, you are adding more seasoning automatically.

Cleaning your seasoned cast iron is easier than many people think. Contrary to old warnings, you can use a small amount of modern dish soap. The harsh soaps from grandma’s day are long gone. Use warm water and a stiff nylon brush or sponge. If something is really stuck, simmer a little water in the pan for a couple of minutes, then scrape with a wooden spoon. Never put your cast iron in the dishwasher or leave it to soak in the sink. After cleaning, dry it completely with a towel, then place it on a warm burner for a minute to drive off any leftover moisture. Finally, rub the cooking surface with a few drops of oil and a paper towel. This thin layer protects the seasoning overnight.

Now, you may have heard that cast iron does not like acidic foods. That is only partially true. Cooking a quick pan sauce with tomatoes or deglazing with vinegar is fine. The problems start when you simmer a pot of spaghetti sauce or stew for hours in cast iron. Acid slowly eats away at the seasoning and even pulls some iron into your food, which can taste metallic. For those long-cooking acidic dishes, simply reach for a stainless steel or enameled pot. Keep your cast iron for searing chicken, frying potatoes, baking cornbread, and making a perfect deeply browned steak.

If rust does appear, do not panic. Rust means the seasoning wore away and exposed iron to moisture. Scrub the rusty area with coarse salt and a potato half, or use fine sandpaper. Wash and dry the pan, then repeat the oven seasoning steps above. With a little effort, it will be as good as new. Cast iron is practically indestructible. Many pans in use today are over a hundred years old, passed down through families. They have cooked countless meals and absorbed all that history into their layers.

So embrace your cast iron skillet. Do not keep it hidden away as a decoration or treat it like a fragile collector’s item. Use it often, clean it right, and give it a quick wipe of oil after each washing. In return, you will have a reliable nonstick cooking surface that costs almost nothing and lasts forever. Whether you are flipping pancakes, searing a pork chop, or baking a peach cobbler, cast iron brings a rustic charm and superior heat to your kitchen. Start seasoning your pan today, and you will soon understand why so many home cooks refuse to use anything else.