Peel and finely dice the onion and garlic. Heat 2 tablespoons of oil in a saucepan, fry the onion and garlic until transparent. Add rice and fry briefly. Gradually deglaze with stock and wine.
Stir several times and cook for about 30 minutes. In the meantime wash the chicken filet, dab dry and season with salt and pepper. Heat 2 tablespoons of oil in a pan. Fry the chicken fillet for about 15 minutes while turning.
Wash the chervil and chives and dab dry. Chervil, except for something to garnish, chop finely. Cut chives into fine rolls. After half the cooking time stir the herbs into the rice. Meanwhile grate cheese finely.
Season rice with salt, pepper and lemon juice. Stir in cheese and cream. Cut the chicken filet into slices. Arrange on plates with the risotto. Serve garnished with chervil and parmesan curls.