Cream butter in large bowl. Gradually beat in honey until light and fluffy. Add egg and vanilla; mix well. Combine dry ingredients in medium bowl; reserve 2 tablespoons flour mixture. Combine dates, walnuts and reserved 2 tablespoons flour mixture in small bowl; set aside. Add remaining flour mixture and applesauce alternately to creamed mixture, beginning and ending with flour mixture. Stir in date mixture. Pour batter into greased 13 × 9 × 2-inch pan. Bake at 325ºF 35 minutes or until wooden pick inserted near center comes out clean.