Now, this, is something I want to try! I'm always up for finding different baking options, and while none of us are allergic to gluten, I work with people who are and who are always looking for better options for baking. Besides, "according to some celiac specialist researchers, everyone has reaction to gluten, but non-celiacs recover quickly" so including some gluten-free goods in the family diet is likely to benefit us all anyway.
While "harina de camote" or "sweet potato flour" is considered a product of Peru, I haven't found the flour yet in the physical Latin American market arena, only online. So, experimenting with this flour is still on my "to do" list for future endeavors. However, I have found how to make my own. This site about George Washington Carver and how to make sweet potato flour tells a lot of the sweet potatoes history as well. If you are interested in a pdf document titled "Making sweet potato chips and flour," follow this link. For just a website explaining how to do that, follow this link.
There are apparently many, many ways you can use sweet potato flour as a substitute for regular flour, but if you would like some recipes using specifically sweet potato flour try this link.
Have you tried using sweet potato flour? What other successful gluten-free options have you found?