Melt the butter in a pot over medium heat.
To the pot, add the onions, peppers and jalapenos. Saute until tender.
Add the minced garlic, chili powder, cumin, paprika, oregano, lime juice and salt and pepper to taste. Mix well.
Add the Rotel and chicken, mix well.
Finally, add the chicken broth and cover. Reduce the heat to medium low and simmer for 20 minutes.
Heat the oven to broil.
Place tortilla on a baking sheet, flipping it every so often until browned and crispy.
Cut the tortillas into strips.
Serve the soup with strips of tortilla on top.