Boil 2 to 3 cups water with some salt,After boiling switch off the flame and immediately add the palak or spinach
Then blanch them in the water for 4-5 minutes
Now drain and immediately place the palak in cold water for 3-4 minutes
Drain again and make a smooth puree
Make paste of onion green chillies in grinder
Heat oil or ghee or butter in a pan or kadai
Now add hing and jeera
Then add the paste of onion chillies , ginger-garlic paste and fry till the raw aroma goes away
After that add tomato puree and add all dry spices and fry till the oil start releasing from the mixture
Add the palak puree,stir well
Stir and add 1 cup water
Then add paneer cubes,You can vary the quantity on the basis of desired thickness of gravy
The gravy or sauce will slightly thicken,Now your palak paneer is ready to serve