Steps:

1. 1 Heat oven to 400 degrees
2. 2 Line 12 inch pan with foil, spray with cooking spray
3. 3 Spread half chips evenly on pan
4. 4 In 8 inch nonstick skillet, cook beef over medium heat, stirring occasionally, until beef is brown, drain
5. 5 Stir in taco seasoning and mix in green chilis
6. 6 Cook for 2 to 3 minutes longer or until beef is thoroughly cooked and seasoning is well combined
7. 7 Arrange half of beef mixture on chips. Top with half of other toppings.
8. 8 Repeat layers with cheese
9. 9 Bake 10 to 12 mixtures or until cheese is melted