Heat the oven to 325 degrees F and scatter bread on baking sheet, season with poultry seasoning and bake to toast bread, 10-12 minutes.
Quarter the apples and slice into each quarter on an angle to cut away the core. Chop apples into bite size pieces.
Heat a large skillet over medium heat with 3 tablespoons butter, when the butter melts, add the apples, onions, celery, bay leaf and parsley. Season with salt and pepper and cook until tender, 7 to 8 minutes. Add turkey to the skillet and combine with vegetables, heat through 2 to 3 minutes then fold in bread and moisten with about 2 cups chicken stock.
While stuffing cooks, melt 3 tablespoons butter in a sauce pan over medium heat and whisk in flour, 1 minute, whisk in cider and chicken stock and season with salt and pepper to taste, reduce 4 to 5 minutes.