Whip the cream until stiff and mix well with the quark,
Carefully fold in the grated peel from the orange (amount to taste).
Put the cream quark in layers with the frozen raspberries in a glass bowl, first cream quark, raspberries, etc. The top layer must be cream quark again.
Then sprinkle the last layer of cream curd thickly with brown sugar and then put the bowl in the refrigerator for about 4 hours.