I made a sweet potato multigrain sourdough using wheat rye corn oat and it was at first a shock because it tasted like just a potato but as the week wore on it became divine.

 Then I found this: https://www.breadexperience.com/sourdough-sweet-potato-crunch-bread/

and this: https://www.breadexperience.com/you-are-apple-of-my-starter/