1 tablespoon vegetable oil |
2 pounds top round steak, sliced into thin strips |
1 large yellow onion, cut into thin slices |
2 tablespoons (1/4 stick) butter |
2 tablespoons all-purpose flour |
1 (10.75-ounce) can condensed beef broth |
salt and freshly ground black pepper |
8 ounces button mushrooms, sliced |
1 tablespoon worcestershire sauce |
1/2 cup sour cream |
8 baked potatoes |