1. Preheat oven to 375°F. Lightly coat a large glass baking dish with cooking spray & set aside.
2. In a large bowl, add bread, onion, celery, cranberries, walnuts, apples, thyme & pepper. Mix well. Add broth & stir to combine.
3. Pour mixture into the prepared baking dish & spread evenly. Bake 30-35 minutes, or until apples are fork-tender & bread is slightly toasted.