Preheat & Prep. To start, preheat the oven to 350 degrees F and put a rack in the center of the oven. Place your pie crust in a 9-inch pie pan and put the pie pan on a baking sheet.
Boil The Syrup. In a medium saucepan, bring the maple syrup to a boil over medium heat. (There should be bubbles all across the surface of the syrup.) Boil 5 minutes. Don't rush this step or your pie will not set properly.
Combine. Remove from heat and stir in coconut sugar, and butter/ghee/coconut oil. (This will help it cool down a bit. Make sure it's not boiling hot before adding your eggs, or they'll scramble.) Whisking constantly, slowly pour in the whisked eggs. Stir in vanilla and salt.
Fill The Crust & Top The Pie. Pour filling mixture into your prepared pie crust. Gently, add pecan halves in any design you like on the top, or gently spoon over chopped pecans.
Bake. Put the pie in the preheated oven and bake for 25-30 minutes or until the center is only slightly wobbly. Check the pie at the 20 minute mark to be sure your pecans aren't over-browning. If either the crust or your pecans are browning too quickly (which can happen if your oven runs hot), you can cover it with foil for the last few minutes.
Cool COMPLETELY before slicing. For best results, let the pie cool completely before slicing (the filling will continue to set as it cools).
Serve & Store. Cut the cooled pie into slices and serve with vanilla ice cream or whipped cream, if desired.