Beat eggs slightly. Combine sugar and cornstarch, and gradually mix into eggs. Stir in melted butter or margarine. Add praline liqueur, pecans, and chocolate pieces. Pour filling into pie shell.
Bake for 45 to 50 minutes. While pie is still warm, brush a little praline liqueur over pie with pastry brush. Chill 3 hours before serving.
We LOVED this pie! Prepared it yesterday for company and it disappeared. My only comment is that it tasted more like a fudge pie than praline - even with the praline liquor. But it was outsta...