01 -
Preheat oven to 204°C (400°F) and line a baking sheet with parchment paper or a silicone baking mat. Set aside.
02 -
In a large bowl, whisk together mashed sweet potatoes, melted butter, and buttermilk until smooth.
03 -
Add the flour, baking powder, baking soda, sugar, and salt to the mixture. Stir until just combined.
04 -
Turn the dough out onto a lightly floured surface. Sprinkle the top of the dough with flour and knead 10 times, adding more flour as needed to prevent sticking.
05 -
Roll the dough out to 1.9 cm (3/4 inch) thickness and cut using round cutters. Place the biscuits on the prepared baking sheet and bake for 15 to 20 minutes, or until golden brown and cooked through.
06 -
Serve immediately, optionally with brown sugar cinnamon butter.