This homemade Sweet Potato Flatbread uses cassava flour, sweet potato puree, and spices. Completely paleo, grain-free, gluten-free, and vegan! Serve with a meal or use as a pizza base. Flatbread can be used in so many ways. To dip, to slather, to tear, to fold, or to stuff. What's your favorite way? These gluten-free sweet potato flatbreads can do all of the above. Plus, they are completely grain-free!