|
1 pound Ground Beef
|
1 medium onion, chopped (about 1/2 cup)
|
1 can (10 3/4 ounces) Campbell's® Condensed Light Chicken Gumbo Soup
|
1 tablespoon prepared mustard
|
1/8 teaspoon ground black pepper
|
6 Pepperidge Farm® Farmhouse™ Premium White Rolls with Sesame Seeds, split and toasted
|