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