In a large stock pot add as much water or chicken broth as desired for the quantity of soup you need.
Add boullion, spices, soup and tomatoes (including liquid), onion, chicken, and some of the peppers (reserve some for garnish, if you have mild soup eaters do not add serranos at all, allow individuals to add them to their bowl) and some of the cilantro (reserving some for garnish).
Heat soup through and allow to simmer until ready to serve.
To serve, place desired amount of crushed tortilla chips, shredded cheese and peppers in an individual bowl. Top with hot soup. Sprinkle with chopped cilantro.
Top additionally with avocado, corn, cooked rice, sour cream, or any other toppings you enjoy!