Heat the instant pot in SAUTE mode.
Add oil, once the pot is hot.
Tip in the onions, ginger and garlic next.Cook them till they turn translucent -about 2-3 minutes
Add the tomatoes,ginger,garlic and cashews and saute for another 2-3 minutes.
Sprinkle the spices next- coriander powder,chilli powder and turmeric.
Add ½ Cup water and deglaze the bottom of the inner pot.
Add spinach and mix.Cancel Saute
Close the lid, select PRESSURE COOK on HIGH for 0 minutes.Quick Release the pressure after the cooking time is over.
Using an immersion blender, blend everything to a paste.
Add Paneer Cubes & dried fenugreek leaves (if using),Give it a mix.
Garnish with cream. Serve hot with rotis, parathas or rice.