To prepare the ice cream, beat together the egg yolks and confectioners’ sugar until thick and fluffy.
[step-item number="5" image_url="" title="" ]In another bowl, beat together the cream and kirsch until soft peaks form. Fold into the egg yolk mixture. Fold in the mashed kiwi fruit.
[step-item number="6" image_url="" title="" ] Cut the chilled cake horizontally in half. Put a half in the base of the springform pan. Pour the ice cream mixture on top and smooth the top. Cover with the remaining cake and freeze for 4-5 hours, or until frozen.