Serve with pesto sauce or croutons. And it is possible with pesto and with crackers.
Peel potatoes, carrots, celery.
To boil water. Put bay leaf, paprika, potatoes, carrots, celery. Cook until done. Shortly before the readiness to put the greens.
Peel the onion, chop and fry in olive oil.
When the vegetables are ready, put the fried onions, salt.
Blend the soup in a blender until pureed.