Old Fashioned Barbecue Ribs
["6 to 8 ribs", "1/2 c. water", "1 Tbsp. vinegar", "1 c. ketchup", "1 c. brown sugar", "1 small onion, sliced"]
["Brown ribs in iron skillet.", "Mix ketchup, water, brown sugar, vinegar and onion.", "Pour over ribs in baking dish.", "Cover and bake 1 1/2 hours at 350\u00b0."]
["water", "vinegar", "ketchup", "brown sugar", "onion"]