I don't usually like sweet potatoes, but I decided to give them a try: sweetened, and fried beyond recognition. It worked!
First, I ground organic spelt and wheat grain into flour in the Vitamix. Then, peel and cube a large sweet potato. Boil until tender, strain and smash (or put through a ricer). Allow the potato to cool slightly. Sift the flour! Sifting isn't as much to break up clumps as it is to remove any large chunks or stones that may be in the grain.
All the flour, mashed sweet potato, some molasses, salt, yeast, and a bit of water if needed. This is tasty, but the spices make it really delicious: ginger, nutmeg and cinnamon. I also added just a bit of cayenne.
Knead the dough for about 5 minutes. Let it raise for about 45 minutes and then punch down the loaf and roll to about half-centimeter thickness. Cut into ~8cm squares. I like to cut mine with a pizza cutter.
Fry in 350˚F oil until golden brown and drain on kitchen roll. While they're still warm, drizzle with an icing of powered sugar, almond/soy milk and chopped pecans.
Yay, I found a way to eat sweet potatoes!