For anyone who takes their time in the kitchen seriously, one of the best tools available is the cast-iron skillet. Its efficiency is unrivalled and, like wine, it gets better the longer you keep it. Cast iron’s value is two-fold: It conducts heat consistently and evenly, and if seasoned and maintained properly, it becomes naturally nonstick. To season a cast-iron skillet, first preheat the oven to 350°. Wash the skillet in hot, soapy water, and dry it completely....