Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1                    Pound thinly sliced cooked -- Beef,cut into 1-inch 3 cups)
   6                    Hamburger buns -- split
                        Tangy barbecue sauce
     1/2  cup           Ketchup
     1/4  cup           Vinegar
   2      tablespoons   Chopped onion
   1      tablespoon    Worcestershire sauce
   2      teaspoons     Packed brown sugar
     1/4  teaspoon      Dry mustard
   1      Clove         Garlic -- crushed

Prepare Tangy Barbecue Sauce. Heat all ingredients to boiling in 1-quart saucepan over medium heat, stirring constantly; reduce heat. Simmer uncovered 15 minutes, stirring constantly.Stir beef into sauce. Cover and simmer about 5 minutes or until beef is hot. Fill buns with beef mixture. To Microwave: Mix sauce ingredients in 4-cup microwavable measure. Microwave uncovered on high 4 to 6 minutes, stirring after 2 minutes, until sauce is slightly thickened. Stir beef into sauce. Cover tightly and microwave on high 5 to 7 minutes or until beef is hot.