1    Baked 10 " pie shell

      1 lb Butter, (no substitutes)

           -softened to room
           -temperature
      2 c  Granulated sugar

      4    Eggs

      4    Squares bitter chocolate,

           -melted and cooled to room
           -temperature
      1 ts Vanilla

  Cream butter (20 mins).  Add sugar, cream 20 mins more. Add eggs, one at a
  time, beating 5 minutes after each addition.  Add melted chocolate, beat 5
  minutes. Add vanilla, beat 5 mins.  pour into baked pie shell. chill
  overnite for filling to firm and flavours to mellow. top, if desired, with
  unsweetened whipped cream and chocolate curls. (rather like gilding the
  lily!)
  1/2 recipe --> 1 8" pie shell