applebee’s

3 tablespoons vegetable oil 6 medium white onions, sliced 8 cups Swanson brand beef broth 1 cup water 2 1/2 teaspoons salt 1/2 teaspoon garlic powder 1/4 teaspoon ground black pepper 5 plain hamburger buns 10 slices provolone cheese 10 teaspoons shredded parmesan cheese 1. Add the oil...