Add the mushrooms, onion, carrots, celery and sweet potatoes. Pour the broth and Worcestershire sauce on top then add the herbs.
8 ounces Bella mushrooms, 1 medium yellow onion, 4 medium carrots, 3 celery stalks, 2 medium sweet potatoes, 1 1/4 cups beef broth or bone broth, 1 Tablespoon Worcestershire, 1 Tablespoon fresh chopped thyme, 1 Tablespoon fresh chopped rosemary