1 1/2 lb. ground beef
1/2 small onion, chopped
1 bottle Ortego taco sauce
1 can cream of mushroom soup
1 c. mild Cheddar cheese
cheese flavored Doritos chips

Cook ground beef and onions. Drain. Add taco sauce and cream of mushroom soup. Cook a few minutes. Place in casserole dish. Layer beef, Doritos and cheese. Repeat, ending with cheese.

Bake at 350°F for 25 to 30 minutes until Doritos are golden brown.