Barbecue Sauce For Fish

Grrrrrgh!
Course : BBQ Sauce
From: HungryMonster.com
Serves: 1
 

Ingredients:

1 slice lemon
1 medium onion -- sliced
1/4 cup white vinegar
1 1/2 teaspoons salt
1 tablespoon prepared mustard
1/2 teaspoon pepper
2 tablespoons sugar
1/4 teaspoon cayenne -- (red) pepper
2 tablespoons butter
-----secondary ingredients-----
1/2 cup catsup
2 tablespoons Worcestershire sauce
1 teaspoon liquid smoke
 

Preparation:

Simmer first set of ingredients for 20 minutes, then add the secondary ingredients. Remove lemon slice and baste fish and Barbecue, basting with the sauce as needed.