Cut the carrots, kohlrabi and onion and sauté well with the olive oil. Briefly sauté the cut celeriac and leek. Add the vegetable stock and let it boil for a few minutes. Add a little salt and pepper. Puree approx. 1/3 of the vegetables. Stir in the cream cheese over low heat.
Arrange the soup on the plate with the sliced parsley and freshly ground pepper.