Combine sugar and cornstarch in a medium bowl; beat in eggs. Mix in butter, vanilla, chocolate chips and pecans. Pour into pie shell. Bake at 350F for 40 minutes or until puffy and lightly browned. Cool completely. Top each slice with Derby Whipped Cream.
Derby Whipped Cream: Beat 1/2 cup heavy cream with 2 T. confectioner's sugar till soft peaks form. Add 1/2 t. Vanilla, 1 T bourbon and beat until stiff.