Firstly, boil and peel the sweet potato.
Make sugar syrup, Boil sugar and water together for 5-6 minutes Add cardamom powder keep aside to cool.
Mash sweet potato with masher or spoon. Mix all-purpose flour and knead it will become like a smooth dough. Make an equal size small ball and keep aside.
Heat ghee in a pan on medium heat and fry all balls in golden brown colour. Once you a are done with frying add all balls in hot the milk mixture stir cook another 2-3 minutes on simmer, add cardamom powder and turn off heat leave for 20 minutes. Serve room temperature or chilled.