Pistachio Pudding Dessert

Pie crust:
1 stick butter
1 cup flour
1 cup chopped walnuts
Layer 1:
1 cup powdered sugar
1 (8oz) cream cheese
1 cup cool whip
Layer 2:

2 regular sized pkgs instant pistachio pudding mix
3 cups milk
Topping:
cool whip
chopped almonds
Mix butter, flour, nuts; press into 9×13 inch pan. Bake 350 for 20 min. Cool. Mix powdered sugar, cream cheese and cool whip; spread on cooled crust. Beat together pudding mix and milk until thick. Spread on cream cheese layer and top with a layer of cool whip and chopped nuts. Refrigerate.