1 cup Coca-Cola

1 cup ketchup

1/4 cup Worcestershire sauce

1 teaspoon liquid smoke

3 tablespoon  A.1 Sauce

1 teaspoon onion flakes

1 teaspoon garlic flakes

1/2 teaspoon fresh ground black pepper 

Put all ingredients in a heavy saucepan. Bring to a boil slowly. Cook until mixture has been reduced by a quarter. Cool to room temperature and refrigerate.