Name: Sheet Pan Greek Tilapia Recipe
Prep time: 10 min
Cook time: 24 min
Total time: 34 min
Cuisine: Greek
Ingredients: 1-2 cups cherry or grape tomatoes; 1 small zucchini, sliced and chopped into halves or quarters; 1/2 red onion, chopped into chunks; 1 bell pepper (any color), chopped into chunks; 3-4 medium tilapia filets (roughly 6 ounces each); Kosher salt and black pepper, to taste; 1 tablespoon olive oil; 1 and 1/2 teaspoons dried oregano (divided); 1/4 cup butter, melted; 2-3 cloves garlic, minced; Zest of 1 lemon; 2 tablespoons fresh-squeezed lemon juice; 1/3 cup crumbled feta cheese; 1/3 cup Kalamata or other olives; Fresh dill, parsley, or red pepper flakes; Rice or couscous

Print Recipe· 4.1 from 10 reviews

If you’re craving a dinner that bursts with bright Mediterranean flavors and comes together effortlessly, this Sheet Pan Greek Tilapia Recipe is going to be your new best friend. Imagine tender tilapia filets roasted alongside a vibrant medley of zucchini, cherry tomatoes, bell peppers, and red onions, all kissed with garlic, lemon, and oregano. This recipe combines fresh, wholesome ingredients in a way that’s as eye-catching as it is delicious, and the best part is everything cooks on one pan, making cleanup a breeze without sacrificing any flavor. Whether you’re cooking for family or friends, this dish is sure to become a go-to weeknight winner.

Ingredients You’ll Need

The image shows fresh ingredients arranged on a white marbled surface. In the center, two pale, smooth tilapia fillets sit on a speckled white plate, lightly seasoned with salt and pepper. To the top left, crumbled white feta cheese fills a small white bowl. Above right, a small white bowl with green fresh dill is visible. Below that, dark purple olives rest in a white bowl. To the bottom right, a small speckled white bowl holds a single peeled garlic clove. A glass measuring cup with a square piece of pale yellow butter is placed nearby. In the bottom left corner, a clear glass bowl contains colorful chopped vegetables: bright yellow bell pepper, green zucchini, red onion slices, halved cherry tomatoes, and a sprinkle of dried oregano on top. The photo taken with an iphone --ar 4:5 --v 7

These ingredients are simple and familiar, yet each one plays an essential role in delivering the delightful taste, texture, and color that make this Sheet Pan Greek Tilapia Recipe so irresistible. From the fresh veggies to the lemony butter sauce, every element comes together perfectly.

Cherry or grape tomatoes (1-2 cups): Adds sweet juiciness and a burst of red color that brightens the dish.
Small zucchini (sliced and chopped): Provides a tender, slightly crisp texture and balancing mildness.
Red onion (1/2, chopped): Offers a subtle sharpness and beautiful purple hue for visual interest.
Bell pepper (1, any color, chopped): Brings a sweet, crunchy bite and lovely vibrant tones.
Olive oil (1 tablespoon): The foundation for roasting, creating luscious caramelization on the vegetables.
Dried oregano (1 1/2 teaspoons, divided): Classic Greek herb that infuses the whole dish with warm, earthy notes.
Kosher salt and black pepper: Essential seasonings that enhance all other flavors.
Tilapia filets (3-4, about 6 ounces each): Lean, mild fish that roasts quickly for a delicate, flaky finish.
Butter (1/4 cup, melted): Adds richness and helps carry the garlic and lemon flavors.
Garlic cloves (2-3, minced): Pungent and aromatic, creating a savory depth in the butter sauce.
Lemon zest of 1 lemon: Brings an uplifting citrus brightness that cuts through the richness.
Fresh-squeezed lemon juice (2 tablespoons): Adds tang and freshness, balancing the dish beautifully.
Feta cheese (1/3 cup, crumbled, optional): Tangy and salty topping that complements the fish perfectly.
Kalamata olives (1/3 cup, optional): Their briny punch gives an authentic Greek touch.
Fresh dill or parsley, red pepper flakes (optional garnishes): Adds fresh herbal notes and a little heat, rounding out the flavors.
Rice or couscous (for serving): Ideal base to soak up the flavorful pan juices and complete the meal.

How to Make Sheet Pan Greek Tilapia Recipe

Step 1: Prepare the Oven and Vegetables

Start by preheating your oven to 425 degrees Fahrenheit and lining a large rimmed baking sheet with parchment paper to prevent sticking and make cleanup easier. Toss the cherry tomatoes, zucchini, red onion, and bell pepper with olive oil, a teaspoon of oregano, salt, and pepper. Spread the veggies out on the baking sheet in a single layer to ensure they roast evenly and develop those lovely caramelized edges during a 10 to 12 minute roast.

Step 2: Season and Prepare the Tilapia

While the vegetables begin roasting, lightly season both sides of the tilapia filets with salt and pepper. In a small bowl, whisk together the melted butter, minced garlic, lemon zest, lemon juice, and the remaining half teaspoon of oregano. This butter sauce is the flavor powerhouse of this recipe, infusing the fish with garlicky, citrusy goodness that makes every bite memorable.

Step 3: Add the Tilapia to the Sheet Pan and Continue Roasting

Once the vegetables have had their initial time in the oven, pull the pan out and make room to nestle the fish filets among the veggies. Ladle the lemon-garlic butter mixture evenly over the fish—don’t worry if some of it drizzles down onto the vegetables, as it will enhance their flavor, too. Return the pan to the oven for another 10 to 12 minutes, until the tilapia is opaque, flaky, and perfectly cooked through.

Step 4: Finish with Feta, Olives, and Fresh Herbs

Remove the sheet pan from the oven and sprinkle crumbled feta and Kalamata olives over the fish, if you’re using them. These toppings add pops of salty, briny richness that make this Sheet Pan Greek Tilapia Recipe feel like a true Mediterranean feast. Garnish with fresh dill or parsley and a sprinkle of red pepper flakes for an optional pinch of heat that balances the dish wonderfully.

How to Serve Sheet Pan Greek Tilapia Recipe

A baking tray lined with white parchment paper holds a colorful mix of chopped vegetables spread evenly. The bottom layer has large, bright yellow bell pepper pieces with smooth, shiny surfaces. On top, there are whole small reddish-orange grape tomatoes, adding round, glossy pops of color. Scattered among these are thick slices of purple-red onion, each segment showing layers with a slightly translucent texture. Small, chopped green zucchini pieces with soft white centers are mixed in throughout, adding fresh, crisp-looking green and white spots. The vegetables are lightly sprinkled with coarse black pepper and seasoning. The tray sits on a white marbled surface with a bowl of white cheese visible in the top left corner and some green dill on the right. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Fresh dill or parsley gives the dish a vibrant, herbaceous finish, while crumbled feta and Kalamata olives add authentic Greek flavors that contrast beautifully against the buttery fish. A wedge of lemon on the side invites everyone to squeeze on extra brightness right before digging in.

Side Dishes

Serving this dish over a bed of fluffy rice or light couscous is ideal to catch all the savory juices from the pan. You could also pair it with a simple green salad or steamed green beans for a fresher, lighter accompaniment. Whatever you choose, keep it simple to let the flavors of the Sheet Pan Greek Tilapia shine.

Creative Ways to Present

For a more casual presentation, serve everything straight from the sheet pan family-style—guests love spooning up roasted veggies alongside the fish. Or, for a special occasion, plate each fish filet on a mound of couscous with the roasted vegetables artfully arranged around it, topped with a sprinkle of fresh herbs and feta to impress your dinner companions.

Make Ahead and Storage

Storing Leftovers

Store any leftovers in an airtight container in the fridge for up to 3 days. The flavors actually deepen after resting overnight, making for even tastier packed lunches or quick dinners the next day.

Freezing

While fresh is best, you can freeze cooked tilapia and vegetables separately in freezer-safe containers for up to 2 months. Be sure to thaw them overnight in the fridge before reheating to maintain the texture and flavor integrity of the dish.

Reheating

Gently reheat leftovers in a 325-degree Fahrenheit oven for about 10-15 minutes or until warmed through, covering loosely with foil to keep the fish moist. Microwaving works in a pinch but can risk drying out the delicate tilapia.

FAQs

Can I use other fish instead of tilapia?

Absolutely! This recipe works well with mild, flaky fish like cod, haddock, or snapper. Adjust cooking times as needed based on thickness, but the flavor profile remains fantastic.

Is it necessary to use butter in the sauce?

The butter adds richness and helps meld the garlic and lemon flavors, but you can substitute extra virgin olive oil for a lighter option or to keep it dairy-free.

Can I make this recipe spicy?

Yes! Adding red pepper flakes or a dash of cayenne to the butter sauce or sprinkling some on top before serving gives a lovely kick without overpowering the Greek flavors.

What if I don’t have fresh lemon for zest and juice?

Fresh lemon is key for that bright, fresh aroma and tang, but in a pinch, you can use bottled lemon juice and dried lemon zest alternatives. Just note that the flavor won’t be as vibrant.

Can I prepare vegetables and fish at different times?

While roasting everything together is best for ease and flavor melding, you can roast the vegetables ahead and add the fish later if needed. Just keep cooked veggies warm to maintain their texture.

Final Thoughts

I truly believe this Sheet Pan Greek Tilapia Recipe strikes the perfect balance between impressive and easy, rustic and refined. With its medley of fresh vegetables, bright citrus butter sauce, and simple technique, it makes fish night something to look forward to. Give it a try and watch it become a delicious staple in your dinner rotation!