Golden codfish that shatters under a fork does not need a vat of oil or a kitchen that smells like a dockside fryer. The trick lives in a bag of cornmeal that behaves like a tiny army of armor makers.

There are many different ways to cook fish, each of which has its benefits and drawbacks. While pan searing or preparing it in the oven are popular choices, one oft-overlooked method is among the best ...