Clean and wash the Brussels sprouts and cook in little boiling salted water for about 15 minutes. Peel, wash and slice the potatoes. Peel, wash and slice carrots.
Peel and finely chop the onion. Wash the chicken filet, dab dry and cut into pieces. Heat oil in a pan. Brown the chicken filet in it, season with salt and pepper and take it out.
Brown the carrots, potatoes and onion and deglaze with broth, bring to the boil and simmer for about 15 minutes. Drain the Brussels sprouts. Add chicken and Brussels sprouts 5 minutes before the end of cooking time. Wash parsley and chop finely.
Season the Brussels sprouts pan with salt and pepper. Sprinkle with parsley. Serve with crème légère.