What You'll Need
1 tablespoon vegetable oil
1 medium onion, chopped (about 1/2 cup)
1 can (22.6 ounces) Campbells® Condensed Tomato Soup
1/4 cup water
2 tablespoons packed brown sugar
2 tablespoons cider vinegar
1 tablespoon Worcestershire sauce
1 1/2 pounds sliced deli style roast beef
12 Pepperidge Farm® Sesame Topped Hamburger Buns, split and toasted
Heat the oil in a 4-quart saucepan over medium heat. Add the onion and cook until tender, stirring occasionally.
Stir the soup, water, brown sugar, vinegar and Worcestershire in the saucepan and heat to a boil. Reduce the heat to low. Cook for 5 minutes. Add the beef to the saucepan and cook until the mixture is hot and bubbling. Season to taste. Divide the beef and sauce among the buns.