Soak gelatin in cold milk. Mix egg yolks, 1/2 cup of sugar, salt, and stir in scalded milk. Stir over hot water until mixture thickens slightly. Remove from heat, add soaked gelatin and stir until dissolved. Add cream and flavoring and chill until syrupy. Fold in beaten egg whites and cherries. Pour into pie shell and chill until firm. Garnish with shaved sweet chocolate before serving. Yield: 1 9-inch pie.