1 1/2 lb. ground beef
1 onion, chopped
1 (8 oz.) can tomato sauce
1 pkg. dry taco mix
1 (8 oz.) bag Dorito tortilla chips, crushed
1 (12 oz.) carton cottage cheese
1 (8 oz.) carton sour cream
1/2 c. ripe olives, sliced
2 c. (8 oz.) shredded Monterey Jack cheese
2 c. (8 oz.) shredded sharp Cheddar cheese

Combine onions and beef, brown, drain. Add tomato sauce and taco mix and mix well. Place crushed chips in bottom of a 9x13 inch pan sprayed with Pam. Top with meat mixture and remaining ingredients in order listed. Bake at 350 degrees for 30 to 40 minutes until bubbly.