Layered Pudding Dessert

If you were a member of my family when I was growing up, this was also known as Layered Pistachio Dessert or Layered Chocolate Dessert.  This dessert is yummy with either of those flavors.  Butterscotch is also very good! 1st Layer

1 c. flour 1 1/4 stick butter 3/4 - 1 c. walnuts, chopped finely   Combine and press into a 9 x 13 inch pan. Bake at 350 degrees approximately 10- 15 minutes. Remove and cool.   2ND LAYER:   1 (8 oz.) pkg. cream cheese, softened 1 c. confectioners' sugar 1 c. Cool Whip   Cream together. Spread on 1st Layer.   3RD LAYER:   2 (3 oz.) pkgs. favorite instant pudding 2 c. milk   Mix until begins to thicken. Pour over 2nd Layer. Top with remaining Cool Whip. Sprinkle with nuts.