This skillet pan goes from stovetop to oven and cooks evenly whatever you choose to put in it Iron deficiency is fairly common worldwide especially among women so cooking food in a cast iron skillet can increase iron content by as much as 20% Hand wash even before first use and dry immediately; rub with a light coat of vegetable oil after every wash Allow cast iron skillet to cool completely before washing them in hot soapy water with a sponge using regular dishwashing liquid soap