Peel the onion and garlic and cut into small pieces. Peel and clean the parsnips and cut into small pieces. Heat the vegetable stock or (with powder) add water.
Fill up with the vegetable stock and close the pot with a lid. Then simmer on a low flame for about 20 minutes. Stirring occasionally.
Then puree the soup and strain it if necessary. Put the pureed soup on the stove again and fill up with the cream. Let simmer for a few minutes. Add salt, pepper and nutmeg. To taste.