Easy Mediterranean Baked Fish

This Easy Mediterranean Baked Fish is a fresh, flavorful dinner that comes together with very little effort. Tender fish fillets are coated in a fragrant mixture of fresh thyme, rosemary, oregano, parsley, garlic, lemon, and olive oil, then baked alongside colorful vegetables for a complete meal.

The combination of bright citrus, aromatic herbs, savory olives, juicy cherry tomatoes, and tender zucchini gives every bite a delicious Mediterranean-inspired flavor. And because it takes just about 15 minutes in the oven, you can have an impressive dinner on the table in under 30 minutes.

Why You’ll Love This Recipe

• Quick and easy: Ready in under 30 minutes.
• Fresh Mediterranean flavors: Lemon, garlic, herbs, and olive oil create a wonderfully aromatic marinade.
• One-dish meal: The fish and vegetables bake together for easy preparation and cleanup.
• Colorful and flavorful: Tomatoes, zucchini, olives, and onions complement the tender fish beautifully.
• Perfect for weeknights: Simple ingredients turn into a delicious and satisfying dinner.

Ingredients

For the Fish and Marinade

• 2 fish fillets: Use your favorite fish fillets; the cooking time may vary depending on their thickness.
• 6 sprigs fresh thyme: Chopped for an earthy, aromatic flavor.
• 3 sprigs fresh rosemary: Chopped to add a fragrant herbal note.
• 1 teaspoon dried oregano: Brings classic Mediterranean flavor.
• 2 teaspoons parsley: Use fresh chopped parsley or dried parsley.
• 4 garlic cloves: Minced or chopped, or use 2 teaspoons garlic paste.
• 1 teaspoon basil: Chopped fresh basil is optional but adds another layer of herb flavor.
• 1 teaspoon lemon zest: Adds concentrated fresh citrus flavor.
• 1 tablespoon lemon juice: Brightens the marinade and balances the richness of the olive oil.
• 1 tablespoon sweet chili sauce: Adds a subtle sweet and mildly spicy note.
• ½ teaspoon salt: Enhances the flavors of the fish, herbs, and vegetables.
• ½ teaspoon black pepper: Adds gentle peppery warmth.
• ¼ cup olive oil: Forms the flavorful base of the marinade and keeps the fish moist.

For the Vegetables

• 1 cup cherry tomatoes: Become juicy and tender as they roast.
• ½ cup pitted olives: Add a savory, salty Mediterranean flavor.
• 1 medium onion: Diced for sweetness and depth.
• 1 zucchini: Diced for a tender vegetable component.

How to Make Easy Mediterranean Baked Fish

Prepare the Oven

Preheat your oven to 400°F.

Lightly grease a baking dish or line it with parchment paper for easier cleanup.

Make the Herb Marinade

Add the thyme, rosemary, oregano, parsley, basil, garlic, lemon zest, lemon juice, sweet chili sauce, salt, black pepper, and olive oil to a bowl.

Mix thoroughly until all the ingredients are well combined and the herbs and garlic are evenly distributed throughout the oil.

Marinate the Fish

Generously rub the herb marinade over both sides of the fish fillets.

Set the fish aside while you prepare the vegetables. Reserve about ½ tablespoon of the marinade as directed.

Prepare the Vegetables

Add the cherry tomatoes, olives, diced onion, and zucchini to the remaining marinade.

Stir well with a spoon until the vegetables are evenly coated.

The vegetables will absorb some of the garlic, herb, lemon, and olive oil flavors while they bake.

Assemble the Baking Dish

Pour the seasoned vegetables into the prepared baking dish and spread them out evenly.

Place the marinated fish fillets on top of the vegetables.

Scrape any remaining marinade from the bowl and spoon it over the fish.

Bake

Place the baking dish on the middle rack of the preheated oven.

Bake at 400°F for approximately 15 minutes.

The exact cooking time will depend on the thickness of your fish fillets. The fish is ready when it flakes easily with a fork or reaches an internal temperature of 145°F.

Once baked, remove the dish from the oven and allow the fish to rest for about 5 minutes before serving.

Tips for Success

• Choose evenly sized fillets. Similar thickness helps the fish cook at the same rate.
• Don’t overbake the fish. Start checking it around the 15-minute mark because thinner fillets may cook faster.
• Use fresh herbs when possible. Fresh thyme and rosemary give the marinade a particularly fragrant flavor.
• Check the internal temperature. Fish should reach 145°F for doneness.
• Let the fish rest. A short 5-minute rest allows the juices to settle before serving.
• Coat the vegetables well. Make sure the zucchini, tomatoes, onion, and olives are evenly covered with the marinade for maximum flavor.

Equipment Needed

• Baking dish
• Mixing bowl
• Spoon
• Knife and cutting board
• Measuring spoons
• Instant-read thermometer

Recipe Variations

Try Different Fish

This recipe can be adapted to different types of fish fillets. Choose a mild, firm fish that works well for baking. Just remember that thicker fillets may require additional cooking time.

Add More Vegetables

You can add other Mediterranean-style vegetables such as sliced bell peppers, mushrooms, or artichoke hearts.

Make It Spicier

For more heat, add a pinch of red pepper flakes or a little extra sweet chili sauce to the marinade.

Add Feta

Sprinkle crumbled feta over the baked vegetables just before serving for a creamy, salty finish.

Finish With Fresh Herbs

A final sprinkle of fresh parsley or basil adds color and a fresh burst of flavor just before serving.

Serving Suggestions

This Mediterranean baked fish is delicious served straight from the baking dish alongside the roasted vegetables.

For a more complete meal, serve it with:

• Steamed rice
• Couscous
• Quinoa
• Crusty bread
• Roasted potatoes
• A simple green salad
• Warm pita bread

A little extra fresh lemon juice squeezed over the fish just before serving also adds a lovely finishing touch.

Storage and Reheating

Store leftover fish and vegetables in an airtight container in the refrigerator.

For the best quality, reheat gently in the oven or microwave until warmed through. Avoid overheating the fish, as it can become dry.

Frequently Asked Questions

What type of fish works best for this recipe?

You can use your preferred fish fillets. A mild, firm fish that holds together well during baking works particularly nicely.

How do I know when the fish is done?

The fish should flake easily when tested with a fork, or it should reach an internal temperature of 145°F.

Can I use dried herbs instead of fresh herbs?

Yes. The recipe already calls for dried oregano and allows dried parsley. If substituting dried herbs for fresh thyme or rosemary, use them in smaller amounts because dried herbs have a more concentrated flavor.

Can I prepare the vegetables ahead of time?

Yes. You can chop the vegetables ahead and refrigerate them until you’re ready to assemble the dish. For the freshest result, prepare the marinade and combine everything shortly before baking.

Can I add other vegetables?

Absolutely. Bell peppers, mushrooms, artichoke hearts, or other vegetables that roast well can be added to the baking dish.

Can I make this recipe spicy?

Yes. Add red pepper flakes or increase the amount of sweet chili sauce for more heat.

Nutrition

Per serving:

• Calories: 378 kcal
• Carbohydrates: 22g
• Protein: 4g
• Fat: 33g
• Saturated Fat: 5g
• Polyunsaturated Fat: 3g
• Monounsaturated Fat: 24g
• Cholesterol: 1mg
• Sodium: 1214mg
• Potassium: 597mg
• Fiber: 5g
• Sugar: 11g
• Vitamin A: 877 IU
• Vitamin C: 50mg
• Calcium: 103mg
• Iron: 2mg

Final Thoughts

This Easy Mediterranean Baked Fish is proof that a simple dinner can still be packed with flavor. The combination of lemon, garlic, fresh herbs, and olive oil creates a wonderfully fragrant marinade, while the roasted tomatoes, zucchini, onion, and olives make the dish colorful and satisfying.

With minimal prep and only about 15 minutes of baking time, it’s an excellent choice for a busy weeknight when you want something fresh, flavorful, and easy to get on the table.

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