Tangy Sweet Barbecue Sauce

Grrrrrgh!
Course : BBQ Sauce
From: HungryMonster.com
Serves: 7
 

Ingredients:

3 large onion
6 tablespoons vinegar
6 tablespoons brown sugar
1 tablespoon Worcestershire sauce
3 cups ketchup
1/4 teaspoon salt -- to taste
1/4 teaspoon cayenne -- to taste
6 tablespoons margarine
1/2 cup lemon juice
6 teaspoons mustard
3 teaspoons chili powder
1 1/2 cups water
1/4 teaspoon Tabasco sauce -- to taste
 

Preparation:

Chop onion. Sauté in margarine until lightly colored. Add all other ingredients and simmer for 30 min.