Lemon Lush
["1 c. butter", "2 c. flour", "1 c. chopped walnuts", "1 (8 oz.) cream cheese", "1 c. confectioners sugar", "1 c. whipped cream (Cool Whip", "2 (3 oz.) boxes instant lemon pudding", "3 c. milk", "Cool Whip (for additional topping)"]
["For the crust layer, cut butter into flour until well blended. Add walnuts.", "Pat into a 9 x 13-inch pan. Bake at 350\u00b0 for 20 to 25 minutes.", "Let cool."]
["butter", "flour", "walnuts", "cream cheese", "confectioners sugar", "whipped cream", "lemon pudding", "milk"]