First wash the yam & cut off the outer layer of the yam. cut the yam into 1/4 inch thick slices.wash and keep them aside drain the excess water.

Meanwhile soak tamarind in warm water & prepare thick extract

Now add the salt,turmeric powder, red chilli powder,coriander powder, jeera powder and tamarind extract to mixing bowl or plate & mix to get a paste..if the mixture is too thick then sprinkle some water to achieve the right consistency.

Now add the yam to the paste & marinate for 5 minutes

Then heat a tawa,sprinkle oil...deep this yam with semolina..coat form both the side..roast them on a medium-low flame until u get golden brown colour..keep flipping at regular intervals

Serve hot as a side or as an appetizer