1Butter one 9x13 inch casserole dish. Preheat oven to 375 degrees F (190 degrees C).
2Rinse, pat dry and quarter mushrooms. In large skillet heat butter and add mushrooms, onion and celery; saute 5 minutes and remove from heat. Stir in poultry seasoning, salt and pepper.
3In large mixing bowl, combine bread crumbs with broth and eggs, add mushroom mixture, apples and parsley; mix well. Turn into casserole dish.
4Cover and bake at 375 degrees F (190 degrees C) for about 45 minutes. Remove cover and bake 15 minutes longer to brown top.