I saw someone make it somewhere, and I can't for the life of me remember where, but basically, you make a pumpkin pie and cover the entire top of the pie with pecan halves.
Now, I do know where I saw that sugar pie. Around 4 of 5 years ago, on Thanksgiving night, well the day after Thanksgiving morning really because it was 3 a.m. and I was cleaning up the dinner mess and watching The Galloping Gourmet on Food Network. Graham made a sugar pie in a HUGE oval shaped ceramic pie pan, then proceeded to cover the entire top of the pie with whipped heavy cream about 3 inches deep. It's no wonder his poor wife ended up having a heart attack.
Here's a Cooking Light recipe for Pumpkin Praline Pie
, and for the original poster, here's a recipe for a pumpkin pie
with pecans ground up and mixed into the crust.