MRD ... I am feeling ashamed for running out of whipped cream for the pumpkin pie, and I like it in my coffee too.
And about the sweet potato chips, I have had them ... most recently at Cheeseburger in Paradise when someone treated us for dinner. I thought they were very good !
I also had a friend years ago, who did meatless Christmas Eve and as part of it would slice sweet potatoes on a large diagonal, dip them in tempura batter and deep fry. They were to die for.