Lau Bishori (Milky Bottle Gourd Curry)

Ingredients for Lau Bishori:

Lau - 250 gm 
Potato - 250 gm
Milk - 250 ml
Nigella Seeds - 1 tsp
Nigella Powder - 2 tbsp
Ginger Paste - 1 tbsp
Green Chili - 4-5 nos
Ghee - 1 tbsp
Mustard Oil - 2 tbsp
Salt as per taste
Enough Water 

For flavour: 
1 tsp Garam Masala Powder / 2 tbsp Lemon Juice / 2 Lime Leaves 

Process for cooking Lau Bishori:

1. Peel the Lau and Potato, and cut them into cubes. 
2. Pour oil into a cooking pan. Once it is hot, add Nigella Seeds. Wait till it releases its aroma. Add Green Chilis. Now add Lau Cubes and them Potatoes. Stir well for 5-7 minutes.
3. Add Ginger Paste and mix well with Potato+Lau cubes. Then add Salt. Mix well. 
4. Add enough water to cover Potato+Lau cubes. Cover it with a lid. Let it boil for 10 minutes -  till the water gets dried up. 
5. Meanwhile boil Milk. Add Nigella Powder to the boiled Milk. Mix well. 
6. Pour this milk to the pan. Fold well. Let it boil once again and adjust the Salt. Cook for few more minutes to have a thick gravy. In the meantime add Ghee and any of the flavour mentioned above. Mix well. Turn off the heat. Set the pan covered with the lid until you serve.   

Lau Bishori is ready. You can have it with steamed Rice.