Oven Spareribs
["2 slabs ribs", "1 (24 oz.) bottle ketchup", "1 (24 oz.) water", "1 c. Worcestershire sauce", "1 large onion, sliced", "lemon juice"]
["Heat oven to 375\u00b0.", "Sprinkle ribs with lemon juice.", "Cook for 1/2 hour.", "While cooking, combine rest of ingredients.", "Bring to boil, then remove.", "Pour over ribs and bake 45 minutes to 1 hour (until tender)."]
["ribs", "ketchup", "water", "Worcestershire sauce", "onion", "lemon juice"]