PREHEAT oven to 350° F. Grease 9-inch square baking pan.
COMBINE flour, baking powder and salt in medium bowl. Beat sugar, butter and vanilla extract in large mixer bowl until creamy. Beat in egg. Gradually beat in flour mixture. Stir in morsels, nuts and coconut. Press into prepared baking pan.
BAKE for 20 to 25 minutes or until golden brown. Cool completely in pan on wire rack. Cut into bars.