Add oil to the instant pot and turn on IP in saute mode and the oil gets hot
Add fennel seeds and poppy seeds; let it splutter
Add onion, garlic, ginger, salt and saute for 2-3 minutes. Sprinkle some water if onions stick to the pot
Add a pinch of sugar and cook till onions are translucent
Add cashew, spinach saute till the spinach is soft and cooked
Add all the masals and cook for a minute; turn off IP. Let it cook down
Grind the mixture into a fine paste without adding water
Grind the mixture into a fine paste
In the instant pot add butter, ground paste, 2 cups of water,salt (if required) and paneer and cook in maual mode for 3 minutes high temperature. Release the pressure immediately
Open the IP carefully add jalapenos and milk; cook for 5 minutes. Palak paneer is ready