1 lb. hamburger
1 tsp. salt
1 med. onion
1 tsp. pepper
1 c. milk
1 can cream of chicken soup
1 can Ro-Tel tomatoes
1 sm. pkg. Doritos
1/2 lb. longhorn cheese

Mix onion, salt, and pepper with hamburger. Cook in skillet until done. Mix milk, cream of chicken, and Ro-Tel tomatoes then beat. Pour 1/2 of mixture into casserole dish sprinkling crushed Doritos and 1/2 of grated cheese. Pour the other 1/2 of mixture over top, then sprinkle rest of Doritos and cheese on top. Bake at 350 degrees for 45 minutes or until bubbly.