French Onion Burgers

From Campbell's Everyday Easy Meals

1 pound ground beef
1 can (10.5oz) Campbell's Condensed French Onion Soup
4 round hard rolls, split
4 slices cheese

Shape beef into 4 patties, 1/2 inch thick.
In medium skillet over medium-high heat, cook patties until browned. Set patties aside. Pour off fat.
Add soup. Heat to a boil. Return patties to pan. Reduce heat to low. Cover and cook 10 minutes or until patties are no longer pink (160degrees).
Place cheese on patties and cook until cheese is melted. Place patties on 4 roll halves. Serve with soup mixture for dipping.