Zippy Beef Casserole
["1 lb. elbow macaroni", "1 lb. lean ground beef", "1 c. sharp cheese, grated", "1 large green pepper, cubed", "1 medium onion, cubed", "2 cans mushroom soup", "1 c. catsup", "plain potato chips (optional)"]
["Cook elbows as directed.", "Brown ground beef, green pepper and onion.", "Mix these and all other ingredients, except potato chips, together.", "Place in greased 2-quart casserole and add crushed potato chips on top.", "Bake at 350\u00b0 for 30 minutes.", "Serves 6 to 8."]
["elbow macaroni", "lean ground beef", "sharp cheese", "green pepper", "onion", "mushroom soup", "catsup", "potato chips"]