1 lb. hamburger
1/2 c. chopped onion
1 pkg. taco seasoning mix
1 (15 oz.) can tomato sauce
1 (15 oz.) can refried beans
Corn chips or Doritos

Brown hamburger and onion. Add seasoning mix, tomato sauce and refried beans. Put 2 cups crushed corn chips or Doritos on bottom of 9 x 13 inch pan. Add skillet mixture. Bake 25 minutes at 350 degrees. Cover with more crushed chips and cheese. Bake additional 5 minutes to melt cheese. Serve with sour cream and-or guacamole sauce.