Homemade Barbecue Sauce - cooking recipe

Ingredients

1/4 cup vinegar
1/4 cup margarine
2 tablespoons sugar
1 tablespoon prepared mustard
1/2 teaspoon pepper
1 1/2 teaspoons salt
1/4 teaspoon cayenne pepper
1/2 cup water
1 lemon
1 onion
1/2 cup catsup
2 tablespoons Worcestershire sauce
1 1/2 teaspoons liquid smoke

Preparation

Place first 8 ingredients in a medium sauce pan.
Cut 1 thick slice of Lemon and 1 thick slice of Onion and add to the pan.
Simmer first 10 ingredients uncovered for 20 minutes.
Add last 3 ingredients.
Bring to a boil.
Cool.
Store in refrigerator.