This oven baked trout recipe cooks whole trout over sliced potatoes, onion, and red bell pepper for moist, flaky fish with tender vegetables underneath. The vegetables and trout share one baking dish, making this a complete dinner in 45 minutes.
Why You'll Love This Oven Baked Trout
- A complete fish dinner: The trout cooks over potatoes and vegetables, so the main dish and sides are prepared together.
- Better timing for every ingredient: The vegetables receive a head start before the delicate trout goes into the oven.
- Moist whole trout: Keeping the fish whole helps protect the flesh from the direct heat as it cooks.
- A bright finishing sauce: Warm garlic, parsley, olive oil, and white wine vinegar balance the mild fish and savory vegetables.
When I was younger, my mother often cooked cod and salmon in the oven. She taught me that keeping fish whole helps protect its delicate flesh while it cooks. What looked impressive when it reached the table was usually much simpler to prepare than I expected. That memory still shapes the way I cook fish today, whether I am preparing this trout, my easy baked cod recipe, or baked salmon in foil. I still appreciate oven methods that keep the fish moist without requiring too much handling.
What I enjoy most about this dish is the contrast between the moist, flaky trout and the soft vegetables underneath. Baking the potatoes, onion, and pepper first gives them enough time to soften before the fish is added, while the white wine brings the ingredients together in the baking dish. I use a similar sequence in my baked whole tilapia recipe because the vegetables need more time than the fish. The warm garlic-parsley sauce adds a sharp, aromatic finish, much like the sauce in my pan-seared rockfish, and cuts through the richness of the olive oil without overpowering the trout.
Key Ingredients in Oven Baked Trout
You will find the complete measurements in the recipe card, but these four parts shape the dish.
- Potatoes, onion, and red bell pepper: I like how these vegetables soften into a sweet and savory base while absorbing the white wine and juices from the trout.
- Whole trout: Keeping the trout whole matters to me because it protects the delicate flesh and helps it remain moist while the vegetables finish cooking.
- White wine and seasonings: For me, the wine adds enough depth to the vegetables without masking the trout, while salt and freshly ground black pepper keep the seasoning simple.
- Garlic-parsley sauce: I gently cook the garlic and parsley in extra-virgin olive oil, then add the vinegar away from the heat for a sharper finish.
How to Make Oven Baked Trout
The vegetables cook first so they are tender by the time the trout is ready. You can find the complete printable Oven Baked Trout recipe with measurements below.
1. Prepare the vegetables: Preheat the oven to 350°F / 180°C. Arrange the sliced potatoes, onion, and red bell pepper evenly in a baking dish.
2. Give the vegetables a head start: Drizzle the vegetables with extra-virgin olive oil, season them, and bake for 15 minutes. Stir, pour in the white wine, and bake for another 7 minutes.
3. Add the whole trout: Place the trout over the partially cooked vegetables, season the fish, and bake for 12 minutes. Begin checking it after 10 minutes.
4. Make the sauce and serve: Gently cook the garlic and parsley in extra-virgin olive oil. Remove the pan from the heat, add the white wine vinegar, and spoon the warm sauce over the trout and vegetables.
How Long to Bake Whole Trout
In this recipe, the vegetables bake for 22 minutes before the trout is added. The whole trout then cooks for approximately 12 minutes at 350°F / 180°C.
Begin checking the fish after 10 minutes rather than relying only on the clock. The trout is ready when the flesh at its thickest part appears opaque and flakes easily with a fork. The exact cooking time can vary with the size and thickness of the fish.
Helpful Swaps
- Replace the white wine with chicken broth when you prefer to cook without wine. Keep in mind that chicken broth changes the dish from pescatarian to meat-based.
Tips for Oven Baked Trout
- Keep the vegetable slices even: I cut the potatoes, onion, and red bell pepper into similarly sized slices so they soften at approximately the same rate.
- Spread everything out: A wide, even layer gives the vegetables better contact with the baking dish and keeps the potatoes from becoming buried beneath the onion and pepper.
- Keep the trout on top: Placing the fish over the vegetables allows its juices and seasoning to run into the vegetables as everything finishes cooking.
- Stir before adding the wine: I gently turn the vegetables first so the pieces around the edges do not cook faster than those in the center.
Storage
I keep leftover oven baked trout and vegetables in an airtight container in the refrigerator for up to 2 days. When reheating, I use the oven and warm the fish only until heated through so it does not become dry.
What to Serve with Baked Trout
Because the potatoes and vegetables make this a complete dinner, I usually add something simple for soaking up the white wine and garlic sauce. A few slices of homemade ciabatta or warm garlic bread work especially well. For a fresh contrast, I like serving the fish with marinated tomatoes.
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Recipe
Oven Baked Trout with Potatoes
Ingredients
For the trout and vegetables
- 3 medium potatoes - peeled and sliced
- 1 medium onion - peeled and sliced
- 1 red bell pepper - sliced
- 1 teaspoon salt
- ½ teaspoon freshly ground black pepper
- 50 ml extra virgin olive oil
- 100 ml white wine
- 2 whole trout
- ½ teaspoon salt
- ¼ teaspoon freshly ground black pepper -
For the garlic-parsley sauce
- 50 ml extra virgin olive oil
- 3 cloves garlic - minced
- Chopped fresh parsley
- 60 ml white wine vinegar
Instructions
- Preheat the oven to 350° / 180°C. Arrange the sliced potatoes, onion, and red bell pepper evenly in a baking dish. Drizzle with 50 ml extra virgin olive oil and season with 1 teaspoon salt and ½ teaspoon freshly ground black pepper.
- Bake the vegetables for 15 minutes. Remove the dish from the oven and gently stir the vegetables so the pieces around the edges cook evenly. Pour in 100 ml white wine, and return the dish to the oven for 7 minutes.
- Place the 2 whole trout over the partially cooked vegetables. Season the fish with ½ teaspoon salt and ¼ teaspoon freshly ground black pepper.
- Bake the oven baked trout for 12 minutes, checking it after 10 minutes. The fish is ready when the flesh is opaque and flakes easily with a fork at its thickest part.
- While the trout cooks, heat 50 ml extra virgin olive oil in a small pan over medium heat. Add 3 cloves garlic , minced, and chopped parsley. Cook for 1 minute, just until the garlic becomes fragrant without browning.
- Remove the pan from the heat. Carefully add 60 ml white wine vinegar, and gently swirl the pan until the garlic-parsley sauce comes together.
- Serve the trout over the baked vegetables and spoon the warm garlic-parsley sauce over the fish just before serving.
Notes
Nutrition
Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.
Rachel says
I tried this oven baked trout last night and it was a hit! The garlic sauce really brings everything together. Definitely my new favorite way to cook trout.