1. peel the bitter gourd, make a long cut in it, take out all the seeds and cut into thin slices. sprinkle salt over it and put it aside for at least two hours. rub the bitter gourd with your hands to remove the excessive bitterness. wash the bitter gourd with plenty of water and squeeze to remove water.
2. fry the onion slices in oil until the edges turn light brown in color. remove the onions from the oil and keep aside.
3. fry the bitter gourd pieces in the same oil until they turn golden brown. remove from the oil and discard the oil.
3. prepare the bhoona gosht. add fried onions, bitter gourd to it. cut the tomatoes into small pieces and add to the bitter gourd mixture. mix well.
4. cover the pot with lid and cook it over low heat until bitter gourd and onions become soft and tender. no need to put water but if it tends to stick to the bottom add 3 to 4 tbsp of water.
5. add yogurt and cook for 4 to 5 minutes stirring all the time. when oil separate from the mixture take off from the heat.
6. garnish it with coriander leaves