Preheat oven to 350°. Brown sausage and set aside. Melt butter in large skillet over medium heat. Add onion, celery, and poultry seasoning. Cook over medium-low heat until tender. Place dried bread cubes and browned sausage in large bowl. Add onion mixture, sage, parsley, garlic salt, pepper. Stir well to combine. Add beaten egg to broth and pour broth over bread crumbs until cubes are well moistened. Gently toss. You may not need all of the broth. Place mixture in serving dish and cover. Bake 35 minutes at 350° then uncover and bake 10 more minutes.
