New England Barbecue Chicken
["2 to 3 lb. chicken thighs or drumsticks", "1 medium onion, chopped", "3 Tbsp. vinegar", "2 Tbsp. brown sugar", "1/4 c. lemon juice", "1 c. ketchup", "3 Tbsp. Worcestershire sauce", "1/2 Tbsp. prepared mustard", "1 c. water", "1/2 c. chopped celery", "salt and pepper to taste"]
["Brown", "chicken in small amount of oil.\tBrown the onion and then simmer with all remaining ingredients for 30 minutes. Pour over chicken and bake at 350\u00b0 for 1 hour."]
["chicken", "onion", "vinegar", "brown sugar", "lemon juice", "ketchup", "Worcestershire sauce", "mustard", "water", "celery", "salt"]