In a large bowl, combine the chicken, tomatoes, green chiles, corn, onion, cilantro, garlic powder, cumin, chili powder, oregano, salt, pepper, and chicken broth and mix until combined.
Pour the mixture into a greased 9x13 inch baking dish.
Sprinkle the top with the cheese and crushed tortilla chips.
Bake for 25 minutes, or until the cheese is melted and bubbly.
Serve hot with additional chopped cilantro, if desired.
Interesting Facts
Mexican Chicken Casserole is a great way to use up leftover chicken.
This casserole is also delicious with black beans or kidney beans added in.
Leftover Mexican Chicken Casserole makes a great lunch the next day.