German Doner Kebab aims to open at 25 new sites this year with self-service screens and healthy options aimed at gen Z German Doner Kebab aims to open at 25 new sites this year with self-service screens and healthy options aimed at gen Z T hey are already packing our groceries and delivering shopping. Now robots are coming to the kebab shop, alongside self-service screens and loyalty apps, as takeaways look for ways to tackle rising costs. German Doner Kebab (GDK), a perhaps surprisingly