4 cups or 10-12 servings
Pour turkey drippings from roasting pan into 2 cup measuring cup. Fat will rise to top. Return ½ cup of fat to pan. Blend ½ cup flour with fat in pan. Brown flour mixture. Add potato water & part of the onion water, to drippings to make 3½ cups. Slowly stir liquid into flour mixture. Season with poultry seasoning, MSG & salt. Cook & stir until thickened.