Shell: Preheat oven to 400 degrees F. Boil water and oleo together. Take off stove and add flour; mix well. Add eggs 1 at a time.
Bake in a 9x13 pan shell. Will be done when it browns slightly (it will be puffed up while it cooks). When cooled, push down shell to add filling.
Filling: Beat milk, cream cheese and instant pudding. When thickened put this on top of the cooled shell to within 1/2 inch of shell edges. Top with Cool Whip. Dribble melted chocolate on Cool Whip. Refrigerate.