Bert's Superb Barbecue Sauce

Grrrrrgh!
Course : BBQ Sauce
From: HungryMonster.com
Serves: 4
 

Ingredients:

1/4 cup cider vinegar
1/2 cup water
2 tablespoons sugar
1 tablespoon prepared mustard
1/4 cup butter or margarine
1 slice lemon
1 medium 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
 

Preparation:

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 its done.