BBQ Roast Beef Sandwich Ingredients Zesty Barbecue Sauce 1/2 cup ketchup 3 tablespoons white vinegar 2 tablespoons chopped onion 1 tablespoon Worcestershire sauce 2 teaspoons packed brown sugar 1/4 teaspoon ground mustard 1 clove garlic, finely chopped Sandwiches 1 lb thinly sliced cooked roast beef, (cut into 1-inch strips) 6 burger buns, split Directions In 1-quart saucepan, heat all sauce ingredients to boiling over medium heat, stirring constantly; reduce heat. Simmer uncovered 10 min. stirring occasionally. Stir beef into sauce. Cover and simmer about 5 min. or until beef is hot. Fill buns with beef mixture. Back