Mexican Casserole

1 lb. ground beef, browned and drained
Small onion, diced
1 pkg. taco seasoning
8 oz. can tomato sauce
1 can corn, drained
1 can black beans, drained
1 small can sliced olives, drained
Tortilla chips
Grated cheddar and mozzarella cheese
1 can cream of chicken soup

Brown hamburger and onion in a pan drain excess fat and add the seasoning and the tomato sauce. Stir until well mixed; add the corn, black beans, and olives. Sir the ingredients until combined then layer as follows: crushed chips, meat mixture, ½ of the cheese, the whole can of cream of chicken soup, more crushed chips, topped with cheese.
Bake at 350° for about 20 minutes or until cheese is melted and heated through.