Assemble recipe as directed; cover with heavy-duty foil. Refrigerate up to 24 hours, then bake, covered, 1 hour 5 min. or until heated through, uncovering for the last 10 min. Or, freeze up to 1 month. When ready to serve, thaw overnight in refrigerator. Bake, covered, 1 hour 5 min. or until heated through, uncovering for the last 10 min.