How to Cook a Fish Fillet in the Oven

Fresh or frozen, breaded or coated with batter, a fish fillet makes for a quick meal. The most common species of fish for filleting is white fish -- cod, sole, sea bass, flounder and haddock -- or any other fish that cooks to a flaky white. Cooking styles for preparing fish fillets are a matter of preference. While grilling and pan-frying are possible, oven baking takes the least effort. Simply pop the fish fillets in, and the oven does the work.

An oven-cooked fish fillet is fast food. (Image: gbh007/iStock/Getty Images)

Step 1

Preheat your oven to 425 degrees Fahrenheit. Grease a baking tray or baking dish with cooking spray, butter or olive oil.

Step 2

Arrange individual fish fillets on the baking tray in a single layer. Do not allow the fish fillets to overlap one another.

Step 3

Slide the baking sheet into the oven and cook for 10 to 20 minutes or until golden brown. Test one of the fish fillets with a fork before removing the tray from the oven. If it flakes apart when you break it with the fork, cooking is complete.

Things You'll Need

  • Baking tray or baking dish

  • Cooking spray, butter or olive oil

  • Fork


Drizzle melted butter over the fish fillets 5 minutes before removal to increase flavor. For added taste, add salt, pepper, lemon juice or other seasoning to the fish fillets prior to cooking. Make cleanup a snap by lining the baking tray or baking dish with a piece of aluminum foil. Grease the foil just as you would the bottom of the tray or dish.


Do not undercook the fish fillets. If the fish fillets have a rubbery texture during the fork test or resist flaking, continue cooking and test every 10 minutes.

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