Place chocolate
and butter in top of double boiler where water is simmering over low heat. Allow
chocolate and butter to melt slowly, stirring occasionally. Add sugar and flour
and stir well. Gradually add whipping cream. Cook, stirring constantly for 20
minutes or until mixture thickens.
Gradually add one-fourth
of hot mixture to egg yolks. Stir well, then add to remaining hot mixture, stirring
constantly until thoroughly blended. Remove from heat and add Amaretto. Cover
tightly with plastic wrap and cool to room temperature. Spoon into pastry shell
and chill for 2 hours. Cut into wedges and serve with fresh raspberries.