Grandma Stringham's Hershey bar dessert

1 stick butter
1 c. chopped nuts
1 c. flour
2 c. confectioners sugar
16 oz. cream cheese, room temperature
2 tsp. vanilla
2 pkgs. instant chocolate pudding
2 3/4 c. milk
Lg. Cool Whip

Mix and put in a 9 x 13 pan: butter, nuts, and flour. Bake this at 325 degrees for 15 minutes. Let cool.
Beat together confectioners sugar, cream cheese, and vanilla. Spread this mixture on the cooled crust. Beat the chocolate pudding and milk. Spread this on the cream cheese layer. Spread the Cool Whip on the pudding layer and refrigerate.