Seasoning your cast iron pan isn’t enough

Cast iron is strange mixture of incredibly durable and unusually delicate—especially for a cooking implement. The metal is physically sturdy, but also highly reactive, which means even a droplet of water left in the pan can leave a rust spot. To protect that nice black surface, you must coat it with a thin layer of oil, a process called seasoning.

Original Article: Seasoning your cast iron pan isn’t enough