How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Egg White Frittata?

You need 10 ingredients. The key ingredients include: 1-1/4 cups sliced fresh mushrooms, 1/2 medium onion, diced, 1/2 small sweet red pepper, sliced, 1/2 small green pepper, diced, and more.

Is Egg White Frittata suitable as breakfast?

Yes, Egg White Frittata falls under the Breakfast category and is a great choice for this type of meal.

How do I store leftover Egg White Frittata?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Egg White Frittata Recipe

Name: Egg White Frittata
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1-1/4 cups sliced fresh mushrooms; 1/2 medium onion, diced; 1/2 small sweet red pepper, sliced; 1/2 small green pepper, diced; 1/4 teaspoon salt; 1/4 teaspoon dried oregano; Dash pepper; 1 tablespoon olive oil; 8 egg whites, beaten; 1 tablespoon grated Parmesan cheese

Start your day right with this Egg White Frittata recipe. Made with mushrooms, onion, sweet red pepper and green pepper. Easy step-by-step instructions …

This Egg White Frittata relies on simple, everyday ingredients such as sliced fresh mushrooms, medium onion, diced, small green pepper, diced and salt. It comes together quickly and makes 4 servings, at about 350 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's an easy way to start the day, whether you're cooking a relaxed weekend breakfast or need something satisfying before a busy morning. Pair it with fresh fruit or your favorite hot drink to round out the meal.

Updated Jun 30, 2026

Serves 4 Breakfast

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Egg White Frittata

Tips for the best results

Variations & substitutions

My Personal Notes

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