Oven Baked Mediterranean Branzino with potatoes veggies

Oven Baked Mediterranean Branzino with potatoes and veggies tastes bright, herby, and a little bit smoky, with crispy skin and tender, lemony vegetables that soak up every drop of flavor. It stays budget-friendly because you stretch one or two whole fish with a big tray of potatoes and colorful veggies, and the whole thing hits the table in about 45 to 55 minutes. I make this on weeknights when I crave something restaurant-level but still want to cook in sweatpants and fuzzy socks.

Reasons To Try This Oven Baked Mediterranean Branzino with potatoes and veggies

This oven baked Mediterranean branzino with potatoes and veggies gives you a full meal on one pan, so you skip juggling three pots and a sink full of dishes. The fish roasts with lemon, garlic, and herbs, while the potatoes and vegetables soak up all those juices and turn golden at the edges.

You also control the salt, oil, and seasoning, so it fits family dinners, date nights, and casual meal prep. Whole branzino cooks quickly, tastes mild and slightly sweet, and even people who say they “do not like fish” usually come back for seconds.

“The branzino came out flaky with crispy skin and the veggies tasted like they roasted in liquid sunshine, absolutely perfect.” – Maria ★★★★★

Ingredients You Need

 

 

Branzino and Marinade

  • 2 whole branzino, cleaned and scaled, about 1 to 1.25 pounds each
  • 3 tablespoons extra virgin olive oil
  • 3 tablespoons fresh lemon juice (about 1 large lemon)
  • Zest of 1 lemon
  • 3 cloves garlic, minced or pressed
  • 1 teaspoon kosher salt
  • ½ teaspoon freshly ground black pepper
  • 1 teaspoon dried oregano (Greek or Mediterranean style)
  • 1 teaspoon dried thyme or Italian seasoning
  • ½ teaspoon smoked paprika or sweet paprika
  • ¼ teaspoon red pepper flakes, optional for a little heat

You can use sea bass or snapper if your store does not carry branzino. Use bottled lemon juice in a pinch, but fresh citrus gives brighter flavor.

Potatoes and Veggies

  • 1.5 pounds baby potatoes or Yukon Gold potatoes, sliced into ¼ inch rounds
  • 1 red bell pepper, sliced into strips
  • 1 yellow bell pepper, sliced into strips
  • 1 small red onion, sliced into wedges
  • 1 small zucchini, sliced into half moons
  • 1 small eggplant, cut into bite-size cubes, optional
  • 10 to 12 cherry tomatoes, left whole or halved
  • 2 tablespoons extra virgin olive oil
  • 1 teaspoon kosher salt
  • ½ teaspoon black pepper
  • 1 teaspoon dried oregano
  • 1 teaspoon garlic powder, optional pantry shortcut
  • 1 teaspoon sweet paprika

Use any mix of firm vegetables that roast well, like fennel, carrots, or green beans. Frozen veggies work in a pinch, but pat them dry so they roast instead of steam.

Fresh Herbs and Finishing Touches

  • ¼ cup fresh parsley, chopped
  • 2 tablespoons fresh dill or basil, chopped
  • Extra lemon wedges for serving
  • A drizzle of good olive oil for finishing

Dried herbs work if you do not have fresh ones, just reduce the amount by half. I like a good California or Greek olive oil for finishing, but any mild extra virgin olive oil works.

Pantry Shortcuts and Brand Notes

Use pre-minced garlic from a jar if you feel tired or short on time, just drain the liquid so it does not burn. Use a Mediterranean seasoning blend instead of separate dried herbs if you keep that in your pantry. Smoked paprika from brands like La Chinata or Pimentón de la Vera gives deep flavor, but regular paprika still tastes great.

Equipment List

  • Large rimmed baking sheet or roasting pan
  • Parchment paper or light oil for the pan
  • Small bowl for marinade
  • Sharp knife and cutting board
  • Paper towels to dry the fish
  • Tongs or spatula to serve

Tips

  • Pat the branzino very dry so the skin crisps in the oven.
  • Score the fish with shallow diagonal cuts so the marinade sinks into the flesh.
  • Slice potatoes thin so they cook through by the time the fish finishes.
  • Roast the potatoes and veggies alone for 10 to 15 minutes before you add the fish if your slices look thick.
  • Use high heat, around 425°F, so the skin crisps and the veggies caramelize.
  • Do not overcook the fish; pull it when the flesh flakes easily and looks opaque.
  • Taste the veggies before serving and adjust salt, lemon, or olive oil at the end.
  • Line the pan with parchment for easier cleanup and less sticking.

How to Make Oven Baked Mediterranean Branzino with potatoes

 

 

Step 1: Prep the fish and marinade

Preheat your oven to 425°F and position a rack in the center. Rinse the branzino under cold water, then dry it very well with paper towels, inside and out. Use a sharp knife to score each side of the fish with 3 to 4 shallow diagonal cuts, about ½ inch deep.

In a small bowl, whisk together olive oil, lemon juice, lemon zest, garlic, salt, pepper, oregano, thyme, smoked paprika, and red pepper flakes if you use them. Rub this mixture all over the fish, including inside the cavity and into the cuts. Set the branzino aside while you prep the veggies so the flavors sink in.

Step 2: Season potatoes and veggies

Spread the sliced potatoes, bell peppers, red onion, zucchini, eggplant, and cherry tomatoes on a large baking sheet or roasting pan. Drizzle with olive oil, then sprinkle with salt, pepper, oregano, garlic powder, and paprika. Toss everything with your hands until the vegetables look evenly coated and spread them in a single layer.

If the pan looks crowded, divide the veggies between two pans so they roast instead of steam. Try to keep the potatoes in contact with the pan so they brown nicely. Keep a space in the center of the pan for the branzino.

Step 3: Roast veggies first

Place the pan with the seasoned potatoes and veggies in the hot oven. Roast for 15 minutes so the potatoes start to soften and the edges of the vegetables begin to color. This step keeps the fish from overcooking while the potatoes catch up.

After 15 minutes, pull the pan out and give the veggies a quick toss. Taste a potato slice for seasoning and add a pinch of salt if it needs more. Clear a space in the center of the pan for the fish.

Step 4: Add the branzino and finish baking

Lay the marinated branzino in the center of the pan on top of some of the veggies. Spoon any leftover marinade over the top of the fish. Tuck a few lemon slices or herb sprigs inside the cavity if you like extra aroma.

Return the pan to the oven and roast for 15 to 20 minutes, depending on the size of your fish. Check for doneness by inserting a fork into the thickest part; the flesh should look opaque and flake easily. If the skin needs more color, switch the oven to broil for 1 to 2 minutes and watch closely so it does not burn.

Step 5: Finish with herbs and serve

Pull the pan from the oven and let the fish rest for 3 to 5 minutes. Sprinkle chopped parsley and dill or basil over the branzino and veggies. Drizzle a little fresh olive oil and squeeze extra lemon on top.

Serve the oven baked Mediterranean branzino with potatoes and veggies straight from the pan at the table. Use a spoon or spatula to lift fillets off the bones and scoop up plenty of potatoes and vegetables with each portion. Keep extra lemon wedges on the side for anyone who loves a strong citrus kick.

Different Ways to Try It

  • Gluten free: Use only naturally gluten free ingredients and check labels on spice blends.
  • Dairy free: This recipe already stays dairy free, just skip any yogurt sauce and serve with tahini or hummus.
  • Low carb: Swap most of the potatoes for cauliflower florets, broccoli, or extra zucchini.
  • Vegan: Roast the same potatoes and veggies, then top with marinated tofu, chickpeas, or thick slices of marinated eggplant instead of fish.
  • Extra protein: Add chickpeas to the veggie mix before roasting for more fiber and protein.
  • Spice twist: Use harissa, cumin, and coriander in the marinade for a North African spin.
  • Kid friendly: Use less garlic and paprika, skip red pepper flakes, and serve with a side of plain rice.

How to Serve Mediterranean Branzino

Serve the oven baked Mediterranean branzino with potatoes and veggies on a big platter so everyone can see the whole fish and colorful vegetables. Add a simple side salad with cucumbers, tomatoes, olives, and a squeeze of lemon for freshness. Warm pita, crusty bread, or fluffy rice soaks up the lemony pan juices. Pair the meal with sparkling water, citrus water, or a light herbal iced tea for a refreshing finish.

Make-Ahead and Storage Success

You can prep the veggies and the marinade earlier in the day and keep them in the fridge, then season the fish right before baking. Store leftover branzino and veggies in an airtight container in the refrigerator for up to 2 days. Reheat gently in a 325°F oven until warm so the fish stays moist, or enjoy the leftovers cold over a salad. Use any extra potatoes and veggies in grain bowls, wraps, or omelets the next morning.

Oven Baked Mediterranean Branzino with potatoes and veggies
Adaly Kandice

Oven Baked Mediterranean Branzino with Potatoes and Veggies

A light and flavorful Mediterranean-style whole branzino baked with potatoes and assorted vegetables in olive oil, lemon, garlic, and herbs.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 4
Course: Dinner
Cuisine: American

Ingredients
  

  • 2 whole branzino (sea bass), cleaned and scaled (about 1–1 1/2 lb each)
  • 1 1/2 pounds Yukon gold potatoes, thinly sliced
  • 1 red onion, thinly sliced
  • 1 red bell pepper, sliced
  • 1 zucchini, sliced into half-moons
  • 1 cup cherry tomatoes, halved
  • 4 tablespoons extra-virgin olive oil
  • 3 cloves garlic, minced
  • 1 lemon, thinly sliced
  • 2 tablespoons fresh lemon juice
  • 2 teaspoons dried oregano
  • 1 teaspoon dried thyme
  • 1/4 cup fresh parsley, chopped
  • Salt, to taste
  • Freshly ground black pepper, to taste

Instructions
 

  1. Preheat the oven to 400°F (200°C). Lightly oil a large baking dish or sheet pan.
  2. In a large bowl, toss the potato slices, red onion, bell pepper, zucchini, and cherry tomatoes with 3 tablespoons of olive oil, half of the minced garlic, 1 teaspoon oregano, 1/2 teaspoon thyme, salt, and pepper until evenly coated.
  3. Spread the vegetables and potatoes evenly in the prepared baking dish to form a bed for the fish.
  4. Pat the branzino dry with paper towels. Season the cavity and outside of each fish with salt, pepper, and the remaining oregano and thyme. Stuff each cavity with a few lemon slices and some chopped parsley.
  5. Place the branzino on top of the vegetable bed. Drizzle the remaining 1 tablespoon of olive oil and the lemon juice over the fish and vegetables, and scatter any remaining lemon slices around the pan. Sprinkle with the remaining minced garlic.
  6. Bake for 25–30 minutes, or until the potatoes are tender and the fish flakes easily with a fork (internal temperature about 145°F/63°C). If desired, broil for the last 2–3 minutes to lightly brown the top.
  7. Remove from the oven, garnish with the remaining chopped parsley, and adjust seasoning with additional salt and pepper if needed. Serve the branzino over the roasted potatoes and vegetables.

Notes

Nutrition Information
Approximate per serving (4 servings): 430 calories; fat 19 g; saturated fat 3 g; carbohydrates 30 g; fiber 5 g; sugars 5 g; protein 33 g; sodium 320 mg. Values are estimates and will vary based on the exact size of the fish, vegetables used, and added salt and oil.