1 lb. hamburger
1 (8 oz.) can tomato sauce
1 tsp. oregano
1/4 c. taco sauce
1/2 tsp. salt and pepper
1 head lettuce, shredded
1 onion, chopped
12 oz. Colby cheese, grated
2 to 3 tomatoes, diced
1 lg. pkg. Doritos, crushed
1 bottle creamy Caesar salad dressing

Brown hamburger in skillet stirring until crumbly. Add tomato sauce, oregano, salt and pepper. Simmer 15 minutes covered. Cook uncovered until thick, chill in refrigerator until serving time. Layer lettuce, onion, cheese, meat sauce, tomatoes, taco sauce, salad dressing and Doritos in large salad bowl. Toss to mix.