1. Soak Urad dal for 6 hour or over night.
2. Blend it into a course paste.
3. Take a Frying pan add oil to it let it heat.
4. Take a bowl add blended urad dal,add onion,cumin seeds,pepper,corainder leaves,hing,salt as per taste mix all these ingredients well.
5. Make a donut and deep fry in the oil it turns to golden colour.