Sour sweet potatoes

1 Pack of cubed sweet potatoes – microwave for 5 minutes
In a pan take some oil. Add two pinches heeng and 1 tbspn panch phoron.
When the seeds splutter add coriander powder, turmeric, and cayenne powder to the oil.

When the spices sizzle, add the sweet potato. Add salt. Cook till done and deglaze the pan with tamarind water.