Wash the yam clean, dry it and grate it. Finely chop the chilly or, grind the chilly and the cumin seeds together.
Heat Ghee in a wok/ kadhai. Add the chilly-cumin Add the grated yam. Cover and cook till soft.
Add the ground peanut powder, salt sugar, mix thoroughly. Cover and cook for another 3-4 mins.
Garnish with cilantro and serve.