Viennese Punch Cookies

In Vienna, a Punschtorte (punch cake) is an elaborate affair of dense sponge cake filled with something akin to a rum ball mixtur—cake crumbs soaked in rum and flavored with a bit of chocolate, some apricot preserves, and some grated lemon and orange zests. Then it’s covered with apricot preserves, a layer of marzipan, and a pink sugar icing. It’s quite sweet but also very delicate. To make this cookie version of the famous cake, I decided to bake the cookie scraps, then grind them up in th