High-Protein Omelet

Bahan-bahan (1 porsi)

• olive oil spray
• 1 large egg
• ½ cup egg whites
• 2 tablespoons fresh spinach (chopped)
• 2 tablespoons red bell pepper (chopped)
• 1 tablespoon red onions or scallions (chopped)
• ¼ teaspoon kosher salt and black pepper (to taste)
• ⅓ cup cheddar cheese (shredded or cheese of your choice)