Egg White Frittata

Why You’ll Love This Recipe

I love this recipe because it turns a handful of simple ingredients into a filling meal with very little effort. Egg whites create a light and fluffy base, while sautéed vegetables add color, texture, and savory flavor.

I also like how easy it is to customize. I can use whatever vegetables I have in my refrigerator, change the herbs, add cheese, or include extra protein. Since a frittata tastes good warm or at room temperature, I also find it convenient for meal prep.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• Egg whites
• Olive oil
• Red bell pepper, diced
• Baby spinach
• Cherry tomatoes, halved
• Red onion, finely diced
• Garlic, minced
• Feta cheese or shredded cheese, optional
• Salt
• Black pepper
• Dried oregano or Italian seasoning
• Fresh parsley or chives

I like using vegetables that cook quickly and don’t release too much moisture. When I use ingredients with a higher water content, I sauté them first so my frittata doesn’t become watery.

Directions

1. I preheat my oven to 375°F (190°C).
2. I heat the olive oil in an oven-safe skillet over medium heat. I add the diced onion and bell pepper and cook them for about 3–4 minutes, until they begin to soften.
3. I add the garlic and cook it briefly until fragrant. Then I add the spinach and stir until it has just wilted.
4. In a separate bowl, I whisk the egg whites with salt, black pepper, and oregano until they become slightly frothy.
5. I spread the vegetables evenly around the skillet and pour the seasoned egg whites over them.
6. I arrange the cherry tomatoes over the top and sprinkle on the cheese if I’m using it.
7. I cook the frittata on the stovetop for about 2–3 minutes, just until the edges begin to set.
8. I transfer the oven-safe skillet to the preheated oven and bake for approximately 10–15 minutes, or until the center is completely set.
9. I remove the skillet from the oven and let the frittata rest for about 5 minutes before slicing.
10. I finish it with fresh parsley or chives and serve it warm.

Servings and Timing

This recipe makes approximately 4 servings.

Prep time: 10 minutes
Cook time: 15–20 minutes
Resting time: 5 minutes
Total time: approximately 30–35 minutes

I can serve the frittata on its own for a lighter meal or pair it with toast, roasted potatoes, avocado, or a simple salad when I want something more substantial.

Variations

For a mushroom and spinach egg white frittata, I sauté sliced mushrooms until their excess moisture has cooked away before adding the spinach.

When I want Mediterranean flavors, I use tomatoes, spinach, red onion, feta, oregano, and a few chopped olives. I sometimes add fresh basil after baking for extra freshness.

For additional protein, I add cooked chicken, turkey, or another fully cooked protein before pouring in the egg whites.

I can also make individual egg white frittatas in a muffin pan. I divide the vegetables among greased muffin cups, pour egg whites over them, and bake until the centers are completely set.

When I want a little heat, I add chopped jalapeño, crushed red pepper flakes, or a small amount of hot sauce to the egg whites.

Storage/Reheating

I let my leftover Egg White Frittata cool before transferring it to an airtight container. I store it in the refrigerator for up to 3–4 days, which makes it particularly convenient for preparing breakfasts ahead of time.

I can reheat individual slices in the microwave in short intervals until hot throughout. I avoid overheating them because egg whites can become rubbery when cooked for too long.

When I have more time, I reheat the frittata in a covered oven-safe dish at around 325°F (165°C) until warmed through. This method helps preserve its texture.

I can also enjoy leftover frittata cold or at room temperature, which makes it useful when I need a quick meal without reheating.

FAQs

Can I use liquid egg whites for an Egg White Frittata?

Yes. I often use refrigerated liquid egg whites because they save me the trouble of separating whole eggs. I simply measure the amount I need according to the recipe and package instructions.

Why is my egg white frittata watery?

I usually find that excess moisture comes from vegetables such as mushrooms, tomatoes, zucchini, or spinach. I cook watery vegetables before adding the egg whites and avoid adding too many wet ingredients to the skillet.

How do I know when my frittata is done?

I look for a center that appears set rather than liquid or jiggly. For food safety, I cook egg dishes until the center reaches 160°F (71°C).

Can I make an Egg White Frittata ahead of time?

Yes. I can prepare the entire frittata ahead, refrigerate it, and reheat individual portions as needed. This makes it one of my favorite options for meal-prep breakfasts.

Do I need an oven-safe skillet to make this recipe?

An oven-safe skillet makes the stovetop-to-oven method especially convenient, but I can use a baking dish instead. I sauté my vegetables separately, transfer them to a greased baking dish, add the egg whites, and bake until completely set.

Conclusion

This Egg White Frittata is a simple way for me to turn egg whites and fresh vegetables into a colorful, protein-rich meal. I love the combination of fluffy eggs, tender vegetables, herbs, and optional cheese, and I can easily change the ingredients depending on what I have available.

Egg White Frittata

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This Egg White Frittata is a light, protein-packed breakfast filled with tender vegetables, herbs, and optional feta cheese. It is easy to prepare, customizable, and perfect for breakfast, brunch, lunch, or meal prep.

• Author: Laura
• Prep Time: 10 minutes
• Cook Time: 15-20 minutes
• Total Time: 30-35 minutes
• Yield: 4 servings
• Category: Breakfast
• Method: Stovetop and Baking
• Cuisine: American
• Diet: Vegetarian

Ingredients

• 2 cups liquid egg whites, or egg whites from about 16 large eggs
• 1 tablespoon olive oil
• 1/2 medium red bell pepper, diced
• 2 cups baby spinach
• 1/2 cup cherry tomatoes, halved
• 1/4 cup red onion, finely diced
• 2 cloves garlic, minced
• 1/3 cup crumbled feta cheese or shredded cheese, optional
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1/2 teaspoon dried oregano or Italian seasoning
• 2 tablespoons chopped fresh parsley or chives

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Instructions

1. Preheat the oven to 375°F (190°C).
2. Heat the olive oil in a 10-inch oven-safe skillet over medium heat. Add the red onion and bell pepper and cook for 3–4 minutes, stirring occasionally, until they begin to soften.
3. Add the minced garlic and cook for about 30 seconds until fragrant. Add the baby spinach and cook for 1–2 minutes, stirring until just wilted.
4. In a medium bowl, whisk the egg whites with the salt, black pepper, and oregano until slightly frothy.
5. Spread the cooked vegetables evenly around the skillet. Pour the seasoned egg whites over the vegetables.
6. Arrange the halved cherry tomatoes over the top and sprinkle with feta or shredded cheese, if using.
7. Cook on the stovetop over medium-low heat for 2–3 minutes, without stirring, until the edges begin to set.
8. Transfer the oven-safe skillet to the preheated oven and bake for 10–15 minutes, or until the center is completely set and reaches 160°F (71°C).
9. Remove the skillet from the oven and allow the frittata to rest for 5 minutes.
10. Sprinkle with fresh parsley or chives, slice into 4 portions, and serve warm.

Notes

• Refrigerated liquid egg whites work well and eliminate the need to separate whole eggs.
• Sauté vegetables with a high water content before adding the egg whites to prevent a watery frittata.
• For a mushroom and spinach version, sauté 1 cup sliced mushrooms until their excess moisture has evaporated before adding the spinach.
• For Mediterranean flavor, add 2 tablespoons chopped olives and use feta cheese, oregano, and fresh basil.
• For additional protein, add 1/2 to 1 cup diced fully cooked chicken or turkey before pouring in the egg whites.
• For extra heat, add 1 finely chopped jalapeño, 1/4 teaspoon crushed red pepper flakes, or hot sauce to taste.
• Store cooled leftovers in an airtight container in the refrigerator for 3–4 days.
• Reheat individual portions briefly in the microwave or in a covered oven-safe dish at 325°F (165°C) until warmed through.
• Serve with toast, roasted potatoes, avocado, or a simple salad for a more substantial meal.

Nutrition

• Serving Size: 1/4 of frittata
• Calories: 155 kcal
• Sugar: 3 g
• Sodium: 510 mg
• Fat: 7 g
• Saturated Fat: 2.5 g
• Unsaturated Fat: 4 g
• Trans Fat: 0 g
• Carbohydrates: 6 g
• Fiber: 1.5 g
• Protein: 18 g
• Cholesterol: 10 mg