Peel and chop the pumpkin into cubes.
Heat a pressure cooker base with 1 tablespoon olive oil.
Add chopped onions and saute till it turns a bit soft. Add peeled and chopped garlic and saute for a minute.
Now add the cubed pumpkin and saute for 4-5 minutes. Saute well to coat the oil all over the pumpkin
Add just 1/4 cup water and pressure cook for 4 whistles. Let the pressure settle on its own
Open, let cool for few minutes. Blend into a smooth puree.
Return to the same vessel and add 2 to 2.5 cups water.
Season with salt and pepper. Simmer the soup for 3-4 minutes.
Correct seasoning and serve hot with a garnish any one of the optional finishes