1 lb. ground beef
2 tbsp. chopped onion
3/4 tsp. season salt
2 (8 oz.) cans tomato sauce
2 c. grated cheese
4 c. Dorito's

Cook beef; add onion, salt, tomato sauce. Simmer 5 minutes. Place 3 cups of broken Dorito's in bottom of 2 quart baking dish. Sprinkle 1 cup cheese over Doritos. Pour meat sauce over cheese. Put remainder of chips over sauce, then remaining cheese. Bake 350 degrees for 15 minutes. Top with lettuce, tomatoes.