When it comes to achieving that perfectly cooked fillet with flawlessly crisped skin—so seemingly effortless when served at a restaurant—something usually goes wrong. The fish sticks. The skin rips.

Cooking fish can be as simple as turning on your oven and baking it for a few minutes. Like in this baked fish recipe starring cod, lemon, and dill. Whether you need to know how to cook fish fillets, ...