Whip the whipped cream firmly and mix with the quark, chocolate, cinnamon, coconut flakes and liqueur - put in the refrigerator for about 2 hours.
Puree the strawberries and add sugar to taste, then distribute the puree on dessert bowls.
With an ice cream scoop (dipped briefly in hot water), remove the balls from the cream mass and place on the strawberry purée - sprinkle with chocolate flakes