HEAT oven to 375ºF.
PREPARE stuffing in large saucepan as directed on package. Add apples, nuts and raisins; mix lightly. Spoon into 13x9-inch baking dish; top with chicken.
BAKE 35 to 40 min. or until chicken is done (165ºF). Meanwhile, bring broth to boil in medium saucepan on medium-high heat. Add cream cheese and mustard; cook on medium-low heat 4 to 5 min. or until cream cheese is melted and sauce begins to thicken, stirring constantly with whisk.
POUR sauce over chicken just before serving; sprinkle with parsley.