Preheat oven to 375 degrees.

1 lb. lean ground beef
1 (15 oz.) can tomato sauce
1 env. taco seasoning mix
2 1/2 c. corn chips
1 (15 oz.) can refried beans
1 1/2 c. shredded Cheddar cheese

Brown beef in skillet and drain off fat. Add 1 1/2 cups tomato sauce and the taco seasoning. Mix well. Line bottom of oblong baking dish with 2 cups corn chips. Crush remaining chips and set aside. Spoon meat mixture over chips and set aside.