HEAT oven to 350°F. Coat 13 x 9-inch baking pan with no-stick cooking spray.
COMBINE graham cracker crumbs and butter in small bowl. Press into bottom of prepared pan.
ADD maple extract to your sweetened condensed milk and stir to combine. Pour sweetened condensed milk evenly over crumb mixture. Layer evenly with white chocolate chips, coconut and nuts. Press down firmly with fork.
BAKE 25 to 30 minutes or until lightly browned. Loosen from sides of pan while still warm; cool on wire rack. Cut into bars or diamonds.
For perfectly cut cookie bars, line entire pan with foil, extending foil over edge of pan. Coat lightly with no-stick cooking spray. After bars have baked and cooled, lift up with edges of foil to remove from pan. Cut into bars.