Moist Bread Stuffing

Ingredients

• 1 1/2 c. boiling water
• 1/2 to 3/4 c. butter, margarine or salad oil
• 1/2 c. minced onion
• 1/4 tsp. pepper
• 1 tsp. poultry seasoning
• 1 1/2 tsp. salt
• 2 Tbsp. snipped parsley
• 2 Tbsp. diced celery
• 3 qt. day old bread crumbs or 1/2-inch squares (12 c.), lightly packed
• 2 Tbsp. dry or prepared mustard