This baked white fish brings back memories of easy lunches that somehow feel special without trying too hard. The kind of meal that doesn’t announce itself loudly, yet leaves you thinking about it long after the plate is cleared. I first came across this style of fish through a community lunch setting, where big trays came out of the kitchen steaming and golden, always smelling fresh and buttery, never fishy.

What struck me right away was how gentle the flavors were. Just lemon, butter, simple seasoning, and that unexpected crispy topping that somehow works. It’s the kind of dish that makes you slow down mid-bite and wonder why you don’t cook fish this way more often.
Why This Baked Fish Works So Well
There’s a quiet charm to this recipe that makes it a repeat at my table.
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Mild fish that even hesitant eaters enjoy
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Very little prep with dependable results
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Lemon and butter keep the fish moist
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Crispy topping adds texture without heaviness
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Works well for both weeknights and casual gatherings
It’s uncomplicated cooking that feels thoughtful.
Ingredients You’ll Need
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2 frozen white fish fillets
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2 tablespoons butter, sliced thin
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1 tablespoon fresh lemon juice
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Lemon slices for topping
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½ teaspoon dried oregano
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Salt to taste
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Black pepper to taste
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½ cup crushed crispy fried onions
Each ingredient has a purpose. The frozen fish helps the butter melt slowly, the lemon keeps everything bright, and the crispy onions give the top just enough crunch to make each bite interesting.
Ingredient Notes From My Kitchen
Frozen white fish works better than fresh here. Starting cold lets the butter melt gradually as the fish cooks, soaking into the flesh instead of sliding off.
A good-quality butter makes a difference. Since there are so few ingredients, the flavor of the butter comes through clearly.
Crushed crispy onions might sound unusual, but they add salt, crunch, and a lightly toasted finish without overpowering the fish.

How I Make It at Home
I start by lining a baking pan with foil and placing the frozen fish directly on it. The butter goes on top first, followed by lemon juice, seasoning, and lemon slices. Everything gets finished with a generous sprinkle of crushed crispy onions.
The fish bakes uncovered until it flakes easily with a fork. The butter melts down into the fish, the onions turn golden, and the kitchen smells clean and comforting.
I don’t flip the fish or fuss with it. Letting it bake undisturbed keeps it tender.
How I Like to Serve It
This fish pairs well with simple sides that don’t steal the spotlight.
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Steamed rice or herbed rice
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Roasted potatoes
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Plain green beans or sautéed spinach
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A simple salad with lemon dressing
It’s one of those meals where everything on the plate feels calm and balanced.
Storage and Leftovers
Leftovers keep well in the fridge for up to two days. I reheat gently in the oven so the fish stays moist and the topping keeps a little crunch.

FAQs
What kind of white fish works best?
Mild, flaky fish works well. Frozen fillets give the best texture for this method.
Why start with frozen fish instead of thawed?
The butter melts slowly into the fish as it bakes, keeping it tender.
Can fresh herbs be used?
Yes. Fresh oregano or parsley work nicely added near the end.
Is the crispy onion topping necessary?
It adds texture and flavor, but the fish still tastes good without it.
Can this be prepared ahead?
It’s best baked fresh, though the ingredients can be prepped earlier.
Greek Baked White Fish
This easy Greek-style baked fish is light, flavorful, and perfect for busy nights.
Ingredients
- 8 to 9 ounces frozen swai fillet or other mild white fish
- 1 tablespoon lemon juice
- 1½ tablespoons melted butter
- ½ teaspoon roasted garlic seasoning or Greek seasoning
- 1 tablespoon diced roasted red bell pepper
- 1 tablespoon crushed fried onions
- 1 tablespoon chopped fresh parsley
- Salt and cracked black pepper, to taste
Instructions
- Preheat the oven to 400°F and line a baking sheet with foil. Place the frozen fish directly onto the prepared pan. Drizzle the lemon juice and melted butter evenly over the fish. Sprinkle with the seasoning, followed by a light pinch of salt and cracked black pepper.
- Scatter the roasted red bell pepper, crushed onions, and chopped parsley over the top. Transfer the pan to the oven and bake until the fish is tender and flakes easily.
- Serve hot, spooning the buttery pan juices over the fish before serving.
Nutrition Information
Yield
2Serving Size
1Amount Per Serving Calories 937Total Fat 50gSaturated Fat 15gUnsaturated Fat 36gCholesterol 404mgSodium 1235mgCarbohydrates 4gFiber 1gSugar 1gProtein 105g
Easy Shrimp Recipes.com, occasionally offers nutritional information for recipes contained on this site. This information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although allchickenrecipes.com attempts to provide accurate nutritional information, these figures are only estimates.
Final Thought
This Greek-style baked white fish is proof that simple food can still feel deeply satisfying. There’s no heavy sauce, no complicated steps, just clean flavors working together quietly. The lemon keeps things fresh, the butter adds comfort, and the crispy topping gives that little surprise crunch that makes people ask what you used.
I like this recipe for nights when I want dinner to feel steady and familiar. It’s gentle, dependable, and welcoming, the kind of meal that doesn’t need explaining. You put it on the table, let everyone dig in, and enjoy how something so simple can feel just right.

