Pistachio Pudding Dessert

My husband’s family just expect this at every gathering and really gripe if I don’t make it. Once I was planning something else and they brought the ingredients to the gathering for me to make it.

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