Blend smooth with a hand blender, or transfer to a blender and process until smooth. Return it to the pot if you are using a blender. Stir in the cream and cheese. Add salt and pepper to taste. Ladle the soup into bowls and garnish with the reserved cheese.
Recipe by Have You Eaten, SF? at https://haveyoueatensf.com/potato-onion-and-blue-cheese-soup/