Aunt Agnes’ Mexican Salad

found this here http://www.southernplate.com/2011/06/aunt-agnes-mexican-salad.html

•1 lb ground beef
•1 c. shredded cheese
•1 can pinto beans
•1 large onion, chopped
•1 bottle Catalina dressing
•1 or 2 tomatoes, chopped
•1 head of lettuce, chopped (or 1 bag salad mix)
•1 bag Doritos (Nacho cheese flavor), crumbled
Brown ground beef, stirring constantly. Drain and cool. Mix ground beef with cheese, pintos, onion and dressing. Refrigerate. Before serving, add tomatoes, lettuce and Doritos.