Wash and roughly dice broccoli florets . Dice potatoes too .

In a pan / cooker , add butter . Saute onion , garlic and pepper . Let the onion turn translucent .

Later add broccoli florets and diced potatoes . Saute for 1-2 mins .

Add adequate water and pressure cook for 2 whistles . If you have vegetable broth .. use it instead of water . Once the pressure releases .. open the cooker and allow the veggies to cool a bit before pureeing .

Drain the veggies . Don't discard the water . Keep it aside to use later . Reserve a few brocolli florets too . You can chop a bit and add garnish the soup . Puree the remaining veggies into a smooth paste using a blender .

Transfer the brocolli puree to a pan . Add the drained water kept aside before into the soup .. mix . Let the soup boil a bit .

At this point , add milk .. mix and simmer well on low flame . If its thick .. can add some water too to get required consistency

Add some oregano powder , salt and pepper powder ( optional ) for seasoning . Mix

If you are adding cream .. add finally... mix and finish the soup . instead can add cream for garnish too .

Serve hot Cream of Broccoli soup with some toasted bread/ croutons / as such .