Heat oil (2 tablespoon) in a pan and add sliced onions and sauté.
Then, add the garlic and ginger and sauté.
Next add green chilli for slight spicy flavor.
Add the turmeric powder after that and combine thoroughly.
After couple of minutes turn the gas off and let the mixture cool.
After cooling transfer the mixture in a blender, add ½ cup of water and blend into a smooth paste.
Heat the remaining oil in a different pan and add cumin seeds, a few peppercorns, and a bay leaf. Sauté for a few minutes.
Then, add the ground paste and continue cooking on a low temperature.
Next add dried mango powder and salt. Combine well.
Add approximately 1/2 cup more water at this point, followed by the cream, and whisk well.
Now add the paneer cubes and cook for an additional two to three minutes.
Finally, turn off the gas and add some crushed black peppercorns as a garnish.