To prepare the gratin dish
Grease the dish with butter.
Place the chicken in the prepared dish, season with salt. Peel and dice the carrots, add to the chicken. Rinse the rice thoroughly in a sieve under cold running water, add, mix.
Pour the cream and stock into a wide pan and add the quark, bring to the boil, season. Add the spinach, allow to wilt. Pour the sauce into the dish with the rice, mix.
Approx. 30 mins. in the centre of an oven preheated to 180°C.