1 c. flour
2 tbsp. sugar
1 stick butter
1 (8 oz.) cream cheese
2/3 c. powdered sugar
1 lg. Cool Whip (1/2 with cream cheese mixture, 1/2 for topping)
2 pkgs. pistachio pudding
2 1/2 c. milk
Nuts

Mix first 3 ingredients. Press into 9"x13" pan. Bake 375 degrees for 15 minutes. Mix next 3 ingredients and spread on cooled crust. Prepare pudding with milk. Spread on cream cheese mixture. Frost with remaining Cool Whip. Sprinkle with nuts.