Zesty Barbecued Ribs

6 lb Spareribs
2 c Catsup
1/2 c Lemon Juice
1/2 c Brown Sugar, Firmly Packed
1 tb Prepared Mustard
1/2 c Onion, Finely chopped
1/4 c Butter Or Margarine
1/4 c Worcestershire Sauce
1 Clove Garlic, Finely Chopped
1/4 tsp Salt
1/8 tsp Hot Pepper Sauce

In large pan, cook ribs in boiling water 45 to 60 minutes or until tender. Meanwhile, in medium saucepan, combine remaining ingredients; simmer uncovered 20 minutes, stirring occasionally. Grill or broil ribs as desired, turning and basting frequently with sauce. Refrigerate leftovers.