Pre-heat RecTeq to Lo (or 180F).
Saute Onion/Garlic with butter. When translucent, add the potatoes and give it a mix, incorporating all flavors.
Throw the Onion/Garlic/Tater mix into a bowl and add cheese, sour cream, seasoning, soup. Give it all a serious mix and transfer to a quarter pan.
Top it with crushed corn flakes and place in RecTeq for 15-20 minutes, grabbing some smoke before the bake.
Dial up the temp to 300 and cook for about 1 hour. Monitor the doneness of the potatoes after the first 45 minutes