Cast-Iron Cooking Primer
Heating properties of cast iron (top) vs. aluminum (bottom). [Photograph: Cooking Issues] Over on the French Culinary Institute's Cooking Issues blog, Dave Arnold has created a great cast iron–cooking primer that explains the science behind the cookware, including this great bit that dispels the notion of even heating: The popular wisdom that cast iron cookware provides even heat is misleading. A cast iron skillet placed on a gas burner will develop distinct hot spots where the flame touches the pan. If you heat the center of a cast iron pan, you will find that the heat travels slowly toward the pan's edge, with a significant temperature gradient between the center and the edge. The pan will heat very unevenly... More
