1 small (1/2 cup) onion, finely chopped
1/2 cup ketchup
1/4 cup Worcestershire sauce
3 tablespoons firmly packed brown sugar
1 tablespoon white vinegar
1 teaspoon finely chopped fresh garlic
1 teaspoon salt
1/4 teaspoon pepper
Melt butter in 3-quart saucepan over medium heat until sizzling; add onion. Cook, stirring occasionally, 3-5 minutes or until softened.
Stir in all remaining ingredients; continue cooking 5-6 minutes or until mixture is slightly thickened.
Pour into mini-food processor bowl fitted with metal blade or blender container; process until smooth.
Chipotle BBQ Sauce: Stir in 2 tablespoons chopped chipotle chiles in adobo sauce with remaining ingredients.
Balsamic BBQ Sauce: Reduce Worcestershire sauce to 2 tablespoons. Omit white vinegar. Stir in 1/4 cup balsamic vinegar and 1 teaspoon Dijon mustard with remaining ingredients.
Mango BBQ Sauce: Add 1 tablespoon chopped jalapeño peppers with onions. Stir in 1/2 cup chopped mango, 1 tablespoon honey and 2 teaspoons lemon juice with remaining ingredients.
Soy Ginger BBQ Sauce: Reduce Worcestershire sauce to 1 tablespoon. Omit salt. Stir in 3 tablespoons soy sauce, 1 tablespoon orange juice and 1 teaspoon freshly grated gingerroot with remaining ingredients.
BBQ sauces shown clockwise from top center: BBQ Sauce, Chipotle BBQ Sauce, Balsamic BBQ Sauce, Mango BBQ Sauce, Soy Ginger BBQ Sauce.