Pistachio Pudding Dessert

1st Layer:
1 c. flour
1 stick butter
2 T. sugar
1/4 chopped nuts
Mix all ingredients, press into a 9x13 pan. Bake at 350 degrees for 12 minutes. Cool.

2nd Layer:
1 8 oz. pkg cream cheese
2/3 c. powdered sugar
1/2 large carton Cool Whip
Beat all ingredients together and spread over 1st layer.

3rd Layer:
2 pkgs instant pistachio pudding (3.5 oz size)
2 1/2 c. milk
Beat pudding and mild together, carefully spread over second layer.

4th Layer:
1/2 large carton Cool Whip
Spread remaining Cool Whip over 3rd layer. Sprinkle with some chopped nuts, if desired. Refrigerate until ready to serve.