Mix together flour oleo and pecans Press into 9 x 13-inch baking dish Bake at 350 for 25 minutes Let cool
Mix together cream cheese powdered sugar and 1 cup Cool Whip Spread over crust Mix chocolate with 2 cups milk
Spread over cream cheese mixture Mix vanilla pudding with 2 cups milk Spread over chocolate pudding Top with large Cool Whip Grate Hershey bar on top Chill at least 3 hours before serving