Superb Barbecue Sauce

Sauces

1/4 cup cider vinegar
1/2 cup water
2 tablespoons sugar
1 tablespoon prepared mustard
1/4 cup butter or margarine
1 thick lemon slice
1 onion; sliced
1/2 teaspoon pepper
1 1/2 tablespoons salt
1/4 teaspoon cayenne pepper
3/4 cup Heinz catsup
2 tablespoons Worcestershire sauce

In a saucepan, mix vinegar, water, sugar, mustard, butter, lemon, onion, and seasonings. Simmer, uncovered, 20 minutes. Add Worcestershire sauce and catsup, bring back to a boil and it's done.