1 tbsp vegetable oil 1 medium onion, chopped (about 1/2 cup) 1 26-oz can Campbell's Condensed Tomato Soup 1/4 cup water 2 tbsp packed brown sugar 2 tbsp vinegar 1 tbsp Worcestershire sauce 1 1/2 lbs thinly sliced roast beef 12 onion or hamburger buns, split and toasted
In 6-quart Dutch oven over medium heat, in hot oil, cook onion until tender, stirring often. Stir in soup, water, brown sugar, vinegar and Worcestershire sauce. Heat to boiling. Reduce heat to low. Cook five minutes. Add beef; heat through, stirring occasionally. Serve on buns. If desired, garnish with dill pickle spears, cherry peppers and hot peppers.