Bottom layer:
1 c. flour
1/2c butter/margarine
1 c finely chopped pecans
Mix together ingredients until crumb like. Press into a greased 13x9 pan. Bake 350 oven 15-20 minutes until lightly golden. Cool.
Middle layer:
1 - 8ox pkg cream cheese softened
1 c powdered sugar
1 - 9oz cool whip, thawed - divided
Beat cream cheese and sugar until smoooth. Fold in half of the whipped topping. Spread over cooled crust.
Top layer:
1 lrg pkg instant vanilla pudding mix
1 lrg pkg instant chocolate pudding mix
3 c cold milk
Beat milk into pudding mixes until smooth and thick. Spread over middle layer. Spread remaing cool whip over top. A grated chocolate candy bar can be sprinkled on top if desired. Cover and refrigerate overnight.