brown ground beef and onion. add taco seasoning mix (prepare as directed)..add all remaining ingredients except cheese and chips. stir and heat through.
spray a 9x13 pan. add a lil of the sauce to cover bottom of pan. add 1/2 bag of chips. add more sauce. top with 1 cup of cheese. repeat. cover and put in oven for around 1/2 hour, till cheese is melted. let rest for maybe 5 minuets.