Wash spinach in plenty of water and pressure cook it. When cool, blend in the mixie/blender to make a paste.

Chop the onion and keep aside

Grind tomato, elaichi, ginger, garlic and green chilli to a paste.

Boil the potato and dice it.

Heat oil, add onions and fry till golden brown. Add the tomato paste and cook till oil separates. After that add the spinach puree, diced potatoes, and all the remaining masalas and cover it and simmer on medium flame till oil floats on top.