Turkey Dressing

1 1/2 Cup Boiling Water1/2-3/4 Cup Butter1/2 Cup Minced Onion1/4 Tsp. Pepper2 Tbsp. Diced Celery1 Tbsp. Poultry Seasoning1 1/2 Tsp. Salt2 Tbsp. Mustard3 Quarts Dried BreadAdd mushrooms, water chestnuts, and oysters if desiredFrom the kitchen of Sandi Smith Combine...