Frito Casserole

1 lb. ground beef
1 small onion, chopped fine
1 can chili without beans
1 can tomato sauce
1 pkg. Fritos
grated cheese as desired

Fry onion and hamburger until done.  Add chili con carne and tomato sauce.  Simmer 5 minutes.  Line 9 x 13 pan with ½ bag of Fritos (crushed a little with your hands).  Pour in mixture; add grated cheese spread on top and then top mixture with ½ bag of Fritos.  Bake at 350 degrees for 20 minutes or until bubbly.