Breakfast Egg White Spinach Enchilada Omelets

Name: Breakfast Egg White Spinach Enchilada Omelets
Ingredients: 3 cups egg whites or egg whites from 18 large eggs; 2 tablespoons water; salt and pepper, to taste; cooking spray; 1 tsp olive oil; 1/2 cup scallions, chopped, plus more for garnish; 1 medium ripe tomatoes, diced; 2 tbsp cilantro, chopped; 10 oz packages frozen spinach; 4.5 oz can chopped green chiles; kosher salt and fresh ground pepper; 1 1/2 cups grated reduced fat Colby-Jack cheese (Sargento); 1 cup green enchilada sauce; 1 medium avocado, diced