Macaroni And Beef Casserole
["1/2 lb. lean ground beef and pork sausage", "1 medium onion, chopped", "1 (6 oz.) can tomato paste", "1 c. water", "1/2 tsp. oregano", "1/2 tsp. salt", "4 c. cooked elbow macaroni", "1 c. shredded sharp Cheddar cheese"]
["Brown beef, sausage and onion; drain well.", "Add tomato paste, water, oregano and salt; simmer 15 minutes."]
["lean ground beef", "onion", "tomato paste", "water", "oregano", "salt", "macaroni", "Cheddar cheese"]