Pistachio pie recipe

Ingredients

• 1-1/2 cups flour
• 1/4 cup chopped walnuts
• 1-1/2 sticks softened margarine or butter
• One 8-ounce package softened cream cheese
• 1 teaspoon vanilla
• 1 cup powdered sugar
• 1 cup Cool Whip whipped topping
• 2 small boxes instant pistachio pudding
• 3 cups cold milk