Mushroom Spinach Omelet Recipe: How to Make It

Ingredients

• 1 egg
• 3 egg whites
• 1 tablespoon grated Parmesan cheese
• 1 tablespoon shredded cheddar cheese
• 1/4 teaspoon salt
• 1/8 teaspoon crushed red pepper flakes
• 1/8 teaspoon garlic powder
• 1/8 teaspoon pepper
• 1/2 cup sliced fresh mushrooms
• 2 tablespoons finely chopped green pepper
• 1 tablespoon finely chopped onion
• 1/2 teaspoon olive oil
• 1 cup torn fresh spinach