A Frisian adaptation of a Dutch TTS system based on Festival, NeXTeNS, is presented as a case study in prototyping TTS for resource-poor minority languages. For these languages, demonstrator systems are essential to seed projects in speech and language technology. The conversion of a Dutch TTS system to a new language with minimal speech and language resources, Frisian, demonstrates that a TTS prototype can be built rapidly using existing modules and voices. An informal evaluation with native speakers of Frisian shows that such a hybrid prototype can already produce intelligible speech for demonstration purposes.