Preheat oven to 350°F and grease or spray a 13 x 9 pan with non-stick spray.
Cook sausage until browned, then strain off grease. Set aside.
1 pound Italian sausage
Saute onions and celery in butter until celery is soft and onions are translucent - about 5 minutes.
4 tablespoons butter, 1 cup celery, diced, 1 cup onion, diced
In a large bowl, combine sausage, stuffing mix, and cooked vegetables.
1 12 oz bag Pepperidge Farm Stuffing Mix, 1 pound Italian sausage
Pour broth in the bowl and toss gently to combine.
2 cups chicken stock, chicken broth, or bone broth
Pour this mixture into the greased baking dish.
Cover with foil and bake for 25 minutes.
Remove the foil and continue baking for another 25 minutes. (50 minutes total)
Remove from oven and serve immediately.