Part of the research work described in this white paper are results of the LEAP-Agri project NUTRIFOODS "Innovative approaches to value addition and commercialization of climate-smart crops for enhanced food security and nutrition in Africa and beyond". This project received funding from the European Union's Horizon 2020 research and innovation program under grant agreement No. 727715 and from the Dutch Ministry of Agriculture, Nature and Food Quality under grant No. DFI-AF-18015 / BO-61-102-004. The project was funded in part by the Dutch Research Council NWO (W.09.03.110) under the LEAP-Agri Joint Research Collaboration Program 400 NUTRIFOODS project. This white paper was written within the motifs "Feeding cities and migration settlements" as part of the programme Food Security and Valuing Water (KB-35-002-001) of Wageningen University & Research and was supported by the Dutch Ministry of Agriculture, Nature and Food Quality.