Egg White Frittata is a light Italian-American breakfast dish made with whipped egg whites, fresh vegetables, herbs, and feta cheese.
This simple recipe combines spinach, tomatoes, garlic, and seasonings into a protein rich meal that works well for breakfast, brunch, meal prep, or a quick lunch.
The egg whites create a soft and airy texture, while the vegetables add freshness and color throughout the dish. Feta cheese brings a salty, tangy element, and fresh herbs add a bright finish to each slice.
Why You’ll Reach for This Recipe Again
- Light and Nutritious: Uses egg whites and fresh vegetables for a balanced breakfast option.
- Simple Preparation: The ingredients come together with basic cooking steps.
- Meal Prep Friendly: Individual slices are easy to portion for future meals.
- Vegetable Packed: Spinach and tomatoes add color, nutrients, and freshness.
- One-Pan Cooking: The entire frittata is prepared in one oven safe skillet or baking dish.
- Beginner Friendly: This recipe uses straightforward techniques with minimal equipment.
Ingredient Notes & Easy Substitutions

- Egg Whites: Egg whites create the light base of this frittata. Whisking them until slightly frothy helps incorporate air for a softer texture.
- Cherry Tomatoes: Halved cherry tomatoes release their juices while cooking and add natural sweetness to the dish.
- Fresh Spinach: Baby spinach cooks quickly and blends easily into the egg mixture. Make sure excess moisture is reduced after wilting.
- Feta Cheese: Crumbled feta adds a savory contrast to the mild egg whites. Add it evenly so each slice contains some cheese.
- Italian Seasoning: This herb blend enhances the vegetables and gives the frittata its Italian-inspired flavor.
- Fresh Basil or Parsley: Fresh herbs added after baking provide a final layer of brightness.

Egg White Frittata
Ingredients
Equipment
Method
- Lightly grease skillet with olive oil and set aside.

- Heat olive oil in a skillet over medium heat. Add the cherry tomatoes and cook until they begin to soften and release their juices. Add the garlic and cook briefly until fragrant.

- Add the spinach and cook for 1 to 2 minutes until it wilts. Spread the cooked vegetables evenly across the bottom of the prepared skillet or baking dish.

- In a large bowl, whisk the egg whites with salt, black pepper, and Italian seasoning until slightly frothy. Pour the egg whites evenly over the vegetables.

- Sprinkle the crumbled feta cheese over the top and gently press it into the egg mixture so it stays evenly distributed.

- Cook for 20 to 25 minutes, or until the frittata is puffed, set in the center, and lightly golden around the edges.

- Let it cool for a few minutes, and garnish with fresh basil or parsley. Slice and serve warm or at room temperature.

Nutrition Information
Nutrition values are approximate and can vary depending on ingredient brands and portion sizes.
| Nutrient | Per Serving |
|---|---|
| Calories | 140 |
| Carbohydrates | 6g |
| Protein | 18g |
| Fat | 5g |
| Fiber | 2g |
| Sugar | 3g |
| Sodium | 420mg |
Common Mistakes to Avoid
- Adding Wet Vegetables: Excess moisture from vegetables can prevent the frittata from setting properly.
- Skipping the Whisking Step: Slightly frothy egg whites help create a lighter texture.
- Overbaking: Cooking too long can make the egg whites firm and dry.
- Using a Cold Skillet: A properly prepared baking dish helps the frittata cook evenly.
- Uneven Vegetable Distribution: Spread the vegetables evenly so every slice has a balanced amount.
- Cutting Immediately: Allowing the frittata to rest briefly helps it hold its shape when sliced.
Delicious Variations You Should Try
- Mushroom Frittata: Add sautéed mushrooms with the spinach for an earthy flavor.
- Pepper Version: Include diced bell peppers for extra color and texture.
- Cheddar Frittata: Replace feta with shredded cheddar cheese.
- Herb Garden Style: Add extra fresh herbs such as chives, dill, or parsley.
- Mediterranean Version: Add olives and roasted red peppers for a Mediterranean twist.
- Spicy Frittata: Add red pepper flakes or sliced jalapeños for heat.
- Broccoli Addition: Mix in finely chopped cooked broccoli for extra vegetables.
More Recipes You’ll Enjoy
Best Ways to Store Leftovers
- Refrigerator Storage: Store cooled slices in an airtight container for up to 4 days.
- Individual Portions: Slice the frittata before storing for easy grab-and-go meals.
- Keep Covered: Use a sealed container to prevent the slices from drying out.
- Serving Temperature: Enjoy leftovers warm or at room temperature depending on preference.
- Separate Garnishes: Add fresh herbs after reheating for a brighter finish.
Frequently Asked Questions
- Why use egg whites instead of whole eggs?
Egg whites create a lighter frittata while keeping the recipe lower in calories and higher in protein. - Can I use carton egg whites?
Yes. Carton egg whites can be used as a convenient alternative to separating whole eggs. - Why is my egg white frittata watery?
Excess moisture from vegetables can cause a watery texture. Cooking vegetables first helps remove extra liquid. - How do I know when the frittata is done?
The center should be set, the top should appear lightly golden, and the frittata should be slightly puffed. - Can I make this recipe without feta cheese?
Yes. The feta adds flavor, but the frittata can still be prepared without it. - Why did my frittata deflate after baking?
A slight reduction in height after baking is normal as the air incorporated into the egg whites settles. - Can I serve egg white frittata at room temperature?
Yes. The recipe can be served warm or at room temperature, making it suitable for brunch spreads.

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