Meat Loaf
["2 lb. ground beef", "1 medium onion, chopped", "1 small can tomato sauce", "1 egg, slightly beaten", "salt and pepper to taste", "celery leaves, chopped (if desired)"]
["Mix thoroughly and shape into loaf.", "Bake at 400\u00b0 to 450\u00b0 about 15 minutes, then reduce heat to 350\u00b0.", "Allow about 1 1/2 hours to make and cook."]
["ground beef", "onion", "tomato sauce", "egg", "salt", "celery"]