1 1/2 lbs. ground beef
1 onion, chopped
2 cloves garlic, minced
1 env. taco seasoning
1 lg. bottle taco sauce
1 can chopped chilies
1 can refried beans
1 can black olives
1 bag Doritos, crushed
12 oz. shredded cheese
1 carton sour cream

Brown meat and onions, drain. Add next 5 ingredients and mix well. Put half of Doritos in greased 13 x 9 casserole dish. Top with meat mixture. Add olives and other half of Doritos. Bake 25 minutes at 350 degrees. Add cheese on top and bake 5 minutes more. Top with sour cream to serve. Serves 10 to 12.