Cook horse gram in a pressure cooker by adding little water. Cook for 2 to 3 whistles and keep aside till the pressure goes off.

Meanwhile heat 2 tea spoons of cooking oil in a pan and add urad dal, coriander seeds, red chilli, pepper corns, cumin seeds and curry leaves one by one. Saute for a minute. Take it away from the pan and add to the mixie jar.

In same pan, add a teaspoon of oil and fry small onions when it becomes transparent add chopped tomato and saute till it gets cooked. Add this mixture to the mixie jar.

Add cooked horse gram as well to mixie jar and add required salt. grind it to a fine paste.

Note: you can use remaining water from cooked horse gram to make a kollu rasam