Wash the baingan and roast them

U can cool them by dipping them in a water. Remove skin and mash the pulp completly. Heat oil in a pan. Add cumin seeds cook for half a mins and add onion and saute until.

Add ginger and green chillies and cook for a mins add red chilli powder and mashed roasted..cook for 7-8 mins over medium heat stirring continuously

Add salt to taste..add tomatoes and cook on medium heat for 7-8 mins or till oil separates

Garnish for chopped coriander leaves and serve hot