If your roasting your pecans then do this step first. Roasting is easy: place pecan halves on a cookie sheet sprayed with spray oil. Bake for about 10mins at 300°. Keep an eye on these they could burn depending on the moisture in the nuts.
Beat eggs well. Add sugar and flour gradually to eggs while stirring.
Add Karo syrup, melted butter (45sec in microwave, separate bowl), vanilla and orange liqueur. Mix well.
Place 1.5 cups of roasted pecans pieces and chocolate chips on bottom of unbaked pie crust.
Pour egg mixture over nuts and chips. Decorate top of pie with remaining pecan halves.
Bake 45mins at 350° or until filling is set.
Let it set for at least 2 hours before serving. ENJOY!