High-Protein Vegetable Frittata

Name: High-Protein Vegetable Frittata
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Yield: 4 servings
Ingredients: 6 large eggs; 1/2 cup milk; 1 cup bell peppers, diced; 1 cup spinach, chopped; 1/2 cup onion, diced; 1/2 cup zucchini, diced; 1 cup cherry tomatoes, halved; 1 cup feta cheese, crumbled; Salt and pepper to taste; Olive oil for cooking

Highlighted under: Healthy & Light

I love starting my day with a hearty serving of High-Protein Vegetable Frittata. This dish is not only packed with protein but is also filled with vibrant vegetables that make every bite a delight. I often find myself experimenting with different vegetable combinations, and each time, it brings a fresh twist to my breakfast routine. It’s quick to prepare, making it perfect for a busy morning, but delicious enough to impress when I have friends over for brunch.

Created by

Emily

Last updated on 2026-02-09T15:45:27.799Z

When I first came across the idea of a High-Protein Vegetable Frittata, I was thrilled at how versatile it could be. I started with classic vegetables like bell peppers and spinach, but soon branched out to include seasonal favorites such as zucchini and tomatoes. The key to a fluffy frittata is whipping the eggs well and cooking it slowly on low heat, allowing the flavors to meld beautifully.

What I truly appreciate is that this dish can be made in advance and stored in the refrigerator for a quick reheat. I usually slice it into portions and pop them in the microwave for a wholesome breakfast during busy weekdays. It’s a real time-saver and keeps me energized all morning!

        Why You Will Love This Frittata
        Packed with protein to keep you full longer
Versatile and customizable with your favorite vegetables
Perfect for breakfast, brunch, or a light dinner

      

Ingredient Benefits

The foundation of this High-Protein Vegetable Frittata lies in the choice of fresh ingredients. Eggs not only provide a rich source of protein but also contribute to the dish's delightful texture, giving it a fluffy and moist consistency. Pairing the eggs with milk enhances the creaminess, ensuring every bite feels indulgent yet light. The vegetables you select, like spinach and bell peppers, are not only colorful but packed with essential vitamins and minerals, making this frittata a nourishing breakfast option.

Feta cheese is a game-changer in this recipe; it adds a tangy flavor that beautifully contrasts with the sweetness of the cherry tomatoes and the earthiness of the zucchini. If you're watching your sodium intake, you can opt for a low-sodium feta or even a plant-based alternative to maintain the dish's protein profile. The crumbled feta also melts slightly during cooking, creating creamy pockets throughout the frittata that elevate its overall taste experience.

Cooking Techniques

Sautéing the vegetables before adding the egg mixture is a crucial step. Not only does this soften the veggies and enhance their flavor, but it also reduces moisture, preventing your frittata from becoming soggy. Look for the onions to turn translucent, which typically takes about 3-4 minutes, before adding the bell peppers and zucchini. Stir occasionally and cook until just tender, aiming for about 2-3 more minutes on medium heat.

When it comes to setting the frittata in the oven, a key tip is to observe visual cues for doneness. After 20 minutes of baking, check for the edges to appear golden, and the center should be firm rather than jiggle when you shake the skillet. If you notice the top isn’t browning appropriately, you can switch to broil for the last minute to achieve a desirable golden finish.

Ingredients

Gather the following ingredients for your frittata:

Frittata Ingredients

6 large eggs
1/2 cup milk
1 cup bell peppers, diced
1 cup spinach, chopped
1/2 cup onion, diced
1/2 cup zucchini, diced
1 cup cherry tomatoes, halved
1 cup feta cheese, crumbled
Salt and pepper to taste
Olive oil for cooking

Make sure to have all your ingredients prepped for a smooth cooking process.

Instructions

Follow these steps to prepare your delicious frittata:

Preheat the oven

Preheat your oven to 375°F (190°C) to ensure it's hot enough for the frittata.

Sauté the vegetables

In a large oven-safe skillet, heat a drizzle of olive oil over medium heat. Add the onions and sauté until translucent. Then, mix in the bell peppers, zucchini, and spinach, cooking until they are tender.

Whisk the eggs

In a large bowl, whisk together the eggs, milk, salt, and pepper until well combined. Stir in the feta cheese and halved cherry tomatoes.

Combine and cook

Pour the egg mixture over the sautéed vegetables in the skillet. Stir gently to combine and allow it to cook for about 5 minutes until the edges begin to set.

Bake

Transfer the skillet to the preheated oven and bake for 20 minutes, or until the center is fully set and lightly golden.

Cool and serve

Once cooked, remove the frittata from the oven and let it cool for a few minutes before slicing. Serve warm or at room temperature.

Enjoy your healthy frittata!

Pro Tips

Feel free to replace any vegetables with what you have on hand. Herbs like parsley or basil can also enhance the flavor.

Storage and Reheating

Once cooled, you can easily store leftover frittata in an airtight container in the refrigerator. It will keep well for up to 3-4 days. This makes it perfect for meal prep, allowing you to enjoy a quick, protein-rich meal throughout the week. For longer storage, consider freezing individual slices wrapped tightly in plastic wrap, then placed in a freezer-safe bag. They can last for about three months in the freezer.

Reheating is simple and can be done in the microwave for about 1-2 minutes on medium power. If you prefer a crispy texture, placing the slice in a skillet over medium heat for a few minutes allows the bottom to regain its firmness while warming through. You can also reheat in the oven at 350°F (175°C) for about 10-15 minutes if you have multiple slices.

Customizing Your Frittata

One of the joys of making this frittata is its versatility. Feel free to experiment with seasonal vegetables or your favorites; asparagus, kale, and mushrooms would make excellent substitutions. Just make sure to sauté hard vegetables, like carrots or potatoes, longer to ensure they cook through. Fresh herbs, such as parsley or basil, can also be added for a fresh burst of flavor right before serving.

For those interested in lowering the calorie count, consider using egg whites instead of whole eggs or replacing the milk with a non-dairy alternative. Keep in mind that these adjustments may slightly alter the flavor and texture, but they can still maintain the nourishing essence of this frittata. Whether you decide to stick to the classic recipe or customize it, each variation will bring something unique to the table.

Questions About Recipes

→ Can I make this frittata in advance?

Yes, you can prepare the frittata a day ahead. Store it in the refrigerator and reheat it in the microwave or oven.

→ Is this recipe gluten-free?

Yes, this frittata is naturally gluten-free, making it suitable for those with gluten intolerances.

→ Can I add meat to the frittata?

Absolutely! You can add cooked sausage, ham, or bacon for extra protein and flavor.

→ What is the best way to store leftovers?

Store any leftovers in an airtight container in the refrigerator for up to 3 days.