The recognition of a historical absence on urban food systems analysis by the academia, incentivized new discussion on planners and food activist only over the past 15 years. The predominant belief on food as an agricultural and rural issue, has fostered its detachment from the urban agenda, filling the gap with predominant market driven strategies. This paper aims to provide a comprehensive vision on the food system organization in urban areas, analysing the need to integrate it into a broader urban strategy and strategical spatial planning. The challenges and opportunities it portrays the need to consolidate competitive and sustainable solutions for an increasing urban population and their connected social challenges. Thus, comprehended into a broader spectrum of issues of public concern such as health, social justice, economic prosperity, social cohesion, food security, culture, waste management and ecological integrity. The paper includes the analysis of a case study, the Toronto Food Strategy as a recognition of the role urban planners could play to forge policies towards more sustainable food systems.Guerrero SFB (2019) Sustainable urban food districts (SUFD): Strategical spatial planning in urban food systems. An analysis to the Toronto food strategy policy