Wash & peel off the outer hard skin of ridge gourd. Cut into small square shaped pieces.
Cut the potatoes into medium pieces after removing the skin.
Pour some mustard oil in a heavy bottomed kadhai or pressure cooker.
Temper the oil with bay leaf, nigella seeds(Kalo Jeere) and dry red chilly.
When the oil is heated enough, add the cubed potatoes. Stir fry those until light golden.
After that add the Jhinge and fry for about 2-3 minutes on medium flame.
Now add the chopped tomatoes and saute for a minute.
Add the salt, turmeric, ginger paste.
Add some cumin powder. Give it a nice mix and saute for 1-2 mins.
Finally add very less amount of water(only if required) and cover the pan. Let it cook up to 2 whistles on medium flame. After that turn off the flame and let the pressure releases by its own. Uncover the pan, Jhinge Aloo is ready to be served hot.