Method
1. Pre-heat oven - 190°C
2. Add water and sweet potato to a clean large saucepan
3. Boil until tender - approx 15 min
4. Remove
5. Drain
6. Mash with potato masher then set aside
7. Line a clean baking sheet with parchment paper
8. Add butter and granulated sugar to a clean stand mixer bowl
9. Cream until light and fluffy - 3 min
10. Transfer potatoes to dough
11. Mix until well combined
12. Add self raising flour to the dough gradually
13. Mix until dough forms
14. Transfer dough to lightly floured surface
15. Roll out until 1/4" thick
16. Cut out into rounds
17. Transfer biscuits to baking sheet
18. Bake - 15 min, 190°C
19. Remove and Let Cool