Barbecued Roast Beef Sandwiches Recipe
Ingredients 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 1 lb thinly sliced cooked roast beef, cut into 1-inch strips (3 cups) 6 burger buns, split Preparation In 1-quart saucepan, heat all sauce ingredients to boiling over medium heat, stirring constantly; reduce heat. Simmer uncovered 10 minutes, stirring occasionally....