In a large bowl, combine the stuffing mix, melted butter, chicken or vegetable broth, onion, celery, mushrooms, bell pepper, egg, Parmesan cheese, garlic powder, oregano, thyme, black pepper, and salt. Mix until all the ingredients are well combined.
Form the stuffing mixture into small balls, about 1 inch in size.
Spread the Panko bread crumbs in a shallow dish.
Roll the stuffing balls in the Panko bread crumbs until they are evenly coated.
Place the stuffing balls on a baking sheet lined with parchment paper.
Bake at 375°F for 20 minutes, or until golden brown.
Interesting Facts
Stuffing balls are a great way to use up leftover stuffing.
You can make stuffing balls ahead of time and freeze them for later.
You can also try using different herbs and spices to give the stuffing balls more flavor.