Egg White Omelette

Name: Egg White Omelette
Prep time: 3 min
Cook time: 12 min
Total time: 15 min
Yield: 1
Ingredients: 1/4 cup Baby spinach; 1/4 cup Cherry tomatoes; 1/4 cup Yellow onion; 3/4 cup Liquid egg whites; 1/8 tsp Pepper; 1/4 tsp Salt; 2 tsp Olive oil; 2 tbsp Parmesan cheese