The present study examines the concepts of sustainability, creative economy, prosperity, gastroeconomy, and UNESCO creative cities, and discusses the momentum that gastronomy can gain by collaborating with tourism. The concepts discussed in the study are numerous; however, all of them are related to each other, and the conclusion includes recommendations. A high level of prosperity is one of the ultimate aspirations of every person in the world. In achieving this level of prosperity, it is necessary to be guided by the principles of economic, social, and environmental sustainability. In this study, creative cities in gastronomy are discussed within the framework of Türkiye. In particular, it has been argued that gastronomy tourism in these cities could contribute to both sustainability and prosperity.