A cast-iron pot can last for years and enhance the flavor of food when used correctly. Unlike other cookware, it needs a little extra care. When buying one, the first question is whether to choose an enameled or uncoated pot. Uncoated cast iron takes more work to use, but proper seasoning largely addresses this.
Preparing an uncoated pot before its first use
Wash the pot thoroughly with detergent and a sponge. Make sure it is completely dry, then coat the inside with a thin layer of olive or sesame oil. Place it in an oven preheated to 180–200°C / 355–390°F for about 1 hour. Turn off the oven and leave the pot inside to cool for about 1.5 hours. This creates a nonstick layer and improves durability.
Acidic foods
Cooking acidic foods such as tomato sauce and dishes made with vinegar in uncoated cast iron is generally discouraged because they can damage the surface and give food a metallic taste. If the pot has been seasoned before its first use, cooking acidic foods is less of a concern, but cooking them often may still shorten the pot’s life. After cooking an acidic dish, apply another thin layer of oil to refresh the surface’s protection.
Caring for enameled cast iron
Before first use, wash the pot with detergent and warm water, then dry it gently with a soft towel. Lightly coat it with a small amount of cooking oil and heat it over medium heat for 15 minutes; do this only once, before the first use. Enameled surfaces resist acidic foods better than uncoated cast iron, but avoid contact with hard metal spoons and forks to prevent scratches.
Cleaning with salt
Chemical cleaners are generally not recommended for cast-iron pots, and whether they are dishwasher-safe varies by brand. To remove stubborn grease, wipe away food residue with a soft cloth, add a little salt to the pot, and scrub with a soft cloth or sponge. Then wash and dry the pot as usual. This can remove stains without harsh chemicals.
Storage and everyday use
Put the pot away only when it is completely dry; storing it damp can lead to rust. If it will be unused for a long time, coat the inside with a thin layer of oil to help prevent rust. Store the lid and pot with space between them for air to circulate rather than stacking them tightly. These small habits can help the pot last for years.
What to cook in a cast-iron pot
Because cast iron heats slowly and evenly, it works especially well for dishes that simmer over low heat for a long time, such as stews, white beans, and chickpeas. It retains heat for a long time, so food stays warm even after the pot is removed from the stove. A lidded cast-iron pot is also a good option for baking bread; it can produce a crust similar in thickness to oven-baked bread. For frying, the pot’s heat retention helps keep the oil temperature more stable and promotes more even frying.