Hamburger And Macaroni
["1 lb. ground beef", "1 small onion", "8 oz. elbow macaroni, cooked tender", "1/4 tsp. salt", "1 can tomato soup", "1 tsp. oregano"]
["Brown hamburger and onions.", "Add macaroni and remaining ingredients and simmer for 5 minutes."]
["ground beef", "onion", "elbow macaroni", "salt", "tomato soup", "oregano"]