If you’re craving a vibrant, veggie-packed meal that’s as delicious as it is wholesome, this Oven-Baked Zucchini Frittata Recipe is here to brighten your cooking repertoire. Imagine tender zucchini and summer squash caramelized to perfection, mingling effortlessly with fluffy eggs, fresh basil, and a sprinkle of feta for that irresistible tang. Easy to prepare and wonderfully satisfying, this frittata is a perfect way to showcase fresh summer produce and elevate any meal of the day with minimal fuss.

Ingredients You’ll Need

The image shows a group of fresh vegetables arranged on a white marbled surface. There are two green zucchinis placed diagonally on the left and bottom sides of the image. Two yellow squashes, one near the zucchinis and one more toward the middle bottom, add a bright yellow color. In the center, there are different colored tomatoes, including red, orange, and dark brown small tomatoes, with two larger red heirloom tomatoes nearby. On the top right, a bunch of fresh green basil leaves with stems add a leafy texture and vibrant green color. The vegetables are spread out naturally with no plate underneath. Photo taken with an iphone --ar 4:5 --v 7

These ingredients might seem simple, but together they create a melody of flavors and textures that make this Oven-Baked Zucchini Frittata Recipe truly shine. Each one plays an essential role—from adding moisture and color to boosting freshness and depth.

¾ pound zucchini (2 medium, finely diced): The star vegetable that adds a delicate sweetness and moist texture to the frittata.

¾ pound summer squash (yellow or patty pan) (2 medium, finely diced): Provides a subtle crunch and beautiful color contrast with zucchini.
½ pint cherry tomatoes (about 12) (halved): Bursting with juicy sweetness and a hint of acidity to balance richness.
Olive oil: Gives a silky finish and helps vegetables caramelize beautifully during roasting.

Sea salt: Enhances the natural flavors of all the fresh ingredients.
8 large eggs: The fluffy base that binds the frittata, delivering protein and a creamy texture.
¼ cup roughly chopped fresh basil: Adds an aromatic, herbal kick to brighten every bite.

½ cup crumbled feta cheese (optional): Offers a salty, tangy punch that complements the veggies perfectly.

How to Make Oven-Baked Zucchini Frittata Recipe

Step 1: Roast the Vegetables

Start by preheating your oven to 425 degrees F and lining a baking sheet with parchment paper. Toss the finely diced zucchini, summer squash, and halved cherry tomatoes with olive oil and sea salt, then spread them out evenly on the tray. Don’t let the amount intimidate you; these veggies will shrink as the water cooks out. Pop them into the oven and roast until they’re soft, slightly browned, and caramelized—about 20 minutes. Give them a gentle toss partway through to ensure even cooking, then bake for another 5 minutes. This step builds a depth of flavor that really makes the frittata pop.

Step 2: Beat the Eggs

While the veggies roast, crack the eggs into a large mixing bowl and beat them together with salt until the yolks and whites meld into a smooth, pale yellow mixture. This careful blending ensures your frittata will have a beautifully tender, uniform texture.

Step 3: Cook the Base Layer on the Stovetop

Heat a large, oven-safe skillet over medium-low heat, adding a tablespoon of olive oil and swirling to coat the surface evenly. Spread half of your roasted vegetable mixture across the skillet in a thin layer. Pour the beaten eggs over the veggies, making sure everything is coated evenly. Scatter half the chopped basil on top. Let this cook gently until the edges begin to set and the center is mostly firm but with a little uncooked egg left on top—usually around 5 minutes. This helps the bottom develop just enough structure before baking.

Step 4: Add Remaining Veggies and Bake

Sprinkle the remaining zucchini and squash mixture over the partially cooked eggs, followed by the crumbled feta if you’re using it. This layering creates pockets of flavor throughout the frittata. Transfer the entire skillet to your preheated oven and bake for 2 to 5 minutes until the eggs are fully set. If you prefer a golden, bubbly finish, switch on the broiler for 1 to 2 minutes—but watch carefully so it doesn’t burn!

Step 5: Rest and Slice

Once out of the oven, let the frittata rest in the pan for at least 5 minutes. This resting time helps it firm up a bit and makes slicing clean wedges a breeze. Garnish with the remaining fresh basil, slice up, and get ready to enjoy a comforting yet light meal.

How to Serve Oven-Baked Zucchini Frittata Recipe

A golden-yellow frittata with visible chunks of green zucchini, red and orange cherry tomatoes, and bits of melted cheese fills a black cast iron skillet. The frittata is cut into a slice that is lifted by a silver spatula, showing the soft and fluffy texture inside. Bright green fresh basil leaves are scattered on top and around the skillet. The skillet is placed on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Fresh chopped basil is classic, adding herbal brightness and a pop of green that makes the frittata look as good as it tastes. For extra flair, try a sprinkle of microgreens or a few shavings of Parmesan cheese. A drizzle of high-quality olive oil just before serving can also add richness and a beautiful sheen.

Side Dishes

This frittata works beautifully alongside a crisp green salad dressed simply with lemon vinaigrette to complement the richness without overpowering it. Roasted potatoes or a crusty whole grain bread make for a heartier meal, perfect for brunch or dinner. Since the dish is already veggie-packed, keep sides light and refreshing.

Creative Ways to Present

Serving the frittata in wedges straight from the skillet keeps things rustic and inviting, perfect for casual gatherings. For a more elegant presentation, arrange slices on a large platter with scattered cherry tomatoes and fresh basil sprigs. You can also cut the frittata into smaller squares and serve as bite-sized appetizers for parties or brunch buffets.

Make Ahead and Storage

Storing Leftovers

After enjoying your frittata, wrap any leftovers tightly in plastic wrap or place them in an airtight container. Store in the refrigerator for up to 3 days. The flavors actually deepen a bit after resting, making leftovers even tastier.

Freezing

If you want to save some for later, freeze leftover frittata wedges in a single layer on a baking sheet. Once frozen, transfer them to a freezer-safe bag or container. This way, they stay fresh for up to 1 month. Just thaw overnight in the fridge before reheating.

Reheating

Reheat slices gently in a skillet over medium-low heat or in a 350-degree F oven until warmed through. Avoid the microwave if possible, as reheated eggs can become rubbery. A little olive oil or butter in the skillet helps restore moisture and flavor nicely.

FAQs

Can I use other vegetables besides zucchini and summer squash?

Absolutely! This Oven-Baked Zucchini Frittata Recipe is quite versatile. You can add or substitute veggies like bell peppers, mushrooms, or spinach depending on what’s in season and your personal taste.

Is it necessary to use feta cheese?

Feta adds a wonderful salty, tangy dimension, but it’s entirely optional. Feel free to omit it or swap in another cheese you prefer, such as goat cheese or shredded cheddar.

What if I don’t have an oven-proof skillet?

You can cook the base on the stovetop in a regular skillet, then carefully transfer the eggs and veggies into a greased baking dish to finish baking. Just keep the timing similar to the instructions.

Can I make this recipe dairy-free?

Yes! Simply skip the feta cheese and it remains deliciously dairy-free. The olive oil and fresh veggies provide plenty of flavor and richness on their own.

Is this frittata suitable for breakfast, lunch, and dinner?

Definitely! It’s one of those flexible dishes that works well anytime of day—light enough for breakfast or lunch, yet hearty enough for a casual dinner.

Final Thoughts

Give this Oven-Baked Zucchini Frittata Recipe a try and discover how easy it is to create a stunning, flavorful meal using simple ingredients and a little oven magic. Whether you’re feeding family or entertaining friends, it’s sure to become one of your go-to dishes that brings warmth and brightness to the table every time.

Oven-Baked Zucchini Frittata Recipe

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Print Recipe

This oven-baked zucchini frittata is a light, flavorful, and colorful dish perfect for breakfast, lunch, or dinner. Featuring caramelized summer squash, zucchini, cherry tomatoes, fresh basil, and optional feta cheese, it combines fresh garden vegetables with fluffy eggs for a nutritious and satisfying meal. The recipe involves roasting vegetables to deepen their sweetness, then finishing the frittata on the stovetop and in the oven for a perfectly set, tender texture.

Total Time: 35 minutes
Yield: 4 servings

Ingredients

Vegetables

¾ pound zucchini (2 medium, finely diced)
¾ pound summer squash (yellow or patty pan) (2 medium, finely diced)

½ pint cherry tomatoes (about 12, halved; or 1 medium regular tomato cut into thin wedges)

For Roasting and Cooking

Olive oil (3 tablespoons total, divided)
Sea salt (1 teaspoon + ½ teaspoon, divided)

Egg Mixture

8 large eggs
¼ cup roughly chopped fresh basil
½ cup crumbled feta cheese (optional)

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Instructions

Preheat Oven and Prepare Vegetables: Preheat your oven to 425°F (220°C). Line a baking sheet with parchment paper to prevent sticking and for easy cleanup.
Toss Vegetables: In a bowl, combine the diced zucchini, summer squash, and halved cherry tomatoes. Toss them with 2 tablespoons of olive oil and 1 teaspoon of sea salt to coat evenly. Spread the mixture out in an even layer on the prepared baking sheet.

Roast Vegetables: Bake the vegetables for about 20 minutes until they are soft, lightly browned, and caramelized, tossing once halfway through to ensure even cooking. Return to the oven for an additional 5 minutes. Once done, remove and set aside. These roasted vegetables can be prepared up to three days ahead of time for convenience.
Beat Eggs: While the vegetables are roasting, crack 8 large eggs into a large mixing bowl. Add ½ teaspoon of sea salt and beat thoroughly until the yolks and whites are fully combined and slightly frothy.
Cook Base Layer: Heat 1 tablespoon of olive oil in a large (approximately 15-inch) oven-proof skillet over medium-low heat. Swirl the oil to coat the pan completely. Add half of the roasted vegetable mixture in an even layer. Pour the beaten eggs evenly over the vegetables, ensuring the eggs cover the pan surface. Sprinkle half of the chopped fresh basil over the egg mixture. Cook on the stovetop until the sides are set but the top still has a shallow layer of uncooked eggs, about 5 minutes.

Add Toppings and Finish in Oven: Evenly scatter the remaining roasted vegetables and, if using, crumble the feta cheese over the top. Transfer the skillet to the preheated oven and bake for 2 to 5 minutes, or until the eggs are fully set. Alternatively, you can switch the oven to broil and broil for 1 to 2 minutes to finish the top, watching carefully to avoid burning.
Rest and Serve: Let the frittata rest in the skillet for at least 5 minutes to finish setting and to make slicing easier. Garnish with the remaining chopped basil. Cut into wedges and serve warm, accompanied by a simple salad for a nutritious and flavorful low-FODMAP meal.

Notes

Using an oven-proof skillet allows for easy transition from stovetop to oven without transferring the frittata.

The roasted vegetables can be made a few days in advance to save time on the day of serving.
Feta cheese is optional; omit for a dairy-free version or replace with a vegan cheese alternative if desired.
Keep a close eye when broiling to prevent the frittata from burning.