1 lg. red onion
4 tomatoes
1/4 c. Parmesan cheese, grated
1 c. grated Cheddar cheese
1 head lettuce
1 lb. hamburg, browned and drained
1 bag taco flavored Doritos
1 can kidney beans, washed and drained
3 oz. taco sauce
1 pkg. French dressing (made according to directions) or bottled dressing

Cook hamburg, drain, set aside. Wash and tear lettuce into bite sized pieces, slice onion, tomatoes. Just prior to serving, combine all ingredients in large bowl, toss to coat well. May be halved for smaller gatherings.