Cooking on unseasoned cast iron can result in sticking, rusting, and a myriad of other issues (some of which are outlined above). Lucky for cast-iron newbies, most skillets sold these days come pre-seasoned. Take your store-bought seasoning a step further though and add your own before you call it good to go.
Understanding Seasoning
Try to cook in a bare iron pan, and not only will the rusting be a problem, but your food will stick to it as well.
Cooking with a cast iron pan that has a little bit of surface rust on it isn't likely to hurt you. If your pan is seriously rusty or has visible rust flakes, you shouldn't cook with it until the rust is removed and the pan is washed and re-seasoned.
You need to reseason your cast iron only occasionally—the pans actually get better with age when cared for properly—but you should still apply a fine layer of oil after every use. Luckily, seasoning cast-iron cookware is incredibly easy, says Ross. He walked us through the process, step by step.
Place the oiled pan upside down, on a baking sheet and place both in the oven. Then set the oven to 350° F. Heat the pan at that temperature for two hours. Turn off the oven, but leave the pan inside and allow oven and pan to cool completely- about two hours.
Bake upside down in the oven at 350 degrees F for 1 hour (line the rack below with foil to catch any oil drips). This will protect the surface and give it an almost nonstick quality. Some people tout another seasoning method: heating the pan on the stove.
The rust might add an unpleasant metallic flavor to your food. Plus, it makes using the skillet much more difficult. Rust develops when there's no layer of seasoning on the surface of the iron. And without that seasoning, you're more likely to experience food sticking to the pan.
Since olive oil is such a pantry staple, many people naturally wonder if they can use olive oil to season cast iron. You can use olive oil to season cast iron, but you need to choose a high quality extra virgin olive oil, which should have a smoke point close to 400 degrees Fahrenheit.
Yes, Coke contains phosphoric acid which helps remove rust from cast iron. Pour Coke on the rusted area and wait 15 to 20 minutes for the acid to break down the rust. Then wipe the pan with a scrubby sponge or dish towel. Repeat this process until the rust is completely gone.
Easiest to Maintain: Le Creuset 10-Inch Cast Iron Skillet
Le Creuset's skillets are coated with matte black enamel that eliminates the need for seasoning or special care when cleaning. You can use this pan over high heat and clean it with soap and water without a worry.
In short, seasoning cast iron is using cooking oil (or any fat) to fill in the pores of the skillet. Not only does this change the cast iron to the dark grey/black color we're all familiar with, but it more importantly helps it release the food that we're cooking.
Cooking on unseasoned cast iron can result in sticking, rusting, and a myriad of other issues (some of which are outlined above). Lucky for cast-iron newbies, most skillets sold these days come pre-seasoned. Take your store-bought seasoning a step further though and add your own before you call it good to go.
Eggs fall into the category of sticky foods that are not ideal for cast iron skillets that haven't built up their seasoning yet. While cast iron can become non-stick with sufficient use over time, a newer skillet will almost certainly cause your eggs to stick to its porous surface.
Being well-seasoned means, it will not seem sticky, greasy or dry. An easy way to tell whether your skillet is well-seasoned is to perform the egg test on the surface. Over medium heat in your cast-iron pan, heat one tablespoon of cooking oil and crack an egg into the pan.
Bake your cookware upside down at 450 degrees Fahrenheit in the oven for one hour. Allow the pan to cool down completely, and repeat three more times.
Oil, especially canola oil (bad, unhealthy oil), should not be used. If a quick oiling (not seasoning) in between is desired, it's best to use a high temperature oil like avocado. A quick rub can do the trick, if your pan looks a bit dry. I have one pan that is about 100 years old!
I have a cast wok that I've been seasoning quarterly for 3 years now, and a skillet that's been seasoned at least a dozen times over the last few years. But really, try to shoot for at least 3–4 layers if you want to have a nice even layer of polymerized oil.
Common cooking oils like olive oil will gradually produce seasoning, but won't be as effective as grapeseed oil. Canola, other vegetable oils, and shortening are a little better.
There's no need to throw away a cast iron skillet that's a little (or a lot) rusty. In fact, the next time you stumble upon some rusty pots and pans at an antique store or flea market, imagine the potential! Follow these five easy steps to restore cast iron cookware to its former glory.
If you cooked something that stripped off a layer of seasoning on a part of your pan- you can run it through a few rounds of seasoning. You can't over-season cast iron so season as often as you'd like, but don't go crazy thinking you need to season your cast iron every Sunday.
For the oil to form a shiny non-stick coating (polymerisation) it needs to go past its smoking point. If you're seasoning the pan over a flame then you want the pan on a medium-high heat. If using the oven method, set the oven to very high or 240C/220C fan/gas 9 – which is about as high as most ovens go.
Place the cookware in the oven upside down. Place a large baking sheet or aluminum foil on the bottom rack. Bake at 450-500 degrees F for one hour. Allow to cool.