1/2 loaf stale french bread, cut in small cubes 1 onion, chopped fine 3-4 sticks celery, chopped 1 package frozen chopped spinach, thawed 1 lb mushrooms, sliced 1/4 cup parsley, chopped 2 egg whites (or replacer) salt and pepper to taste Saute onions until browned. Add celery and mushrooms and cook until soft, about 15 minutes. Mix cooked vegetables with bread and remaining ingredients. Bake in casserole at 375 degrees for one hour.