Drain the lentils in the sieve. Peel the parsley roots and cut into approx. 1cm thick slices. Heat the butter in a saucepan, sauté the parsley root and shallots in it. Deglaze with white wine and reduce by half. Pour in the chicken stock and cream. Let everything simmer for 15-20 minutes on a low heat. Then puree finely and season with salt / pepper. Add the salad and heat it up in less than 1 minute.
Arrange on the plates and spread with a teaspoon of lentils on top.