This presentation explores the multiple meanings of food for human societies, and the dichotomy represented by the hegemonic narrative (food as a commodity) and the emerging counter-hegemonic alternative (food as a commons). I explained the rationale for this shift in value-based narratives: the unsustainability and unfairness of the industrial food system. The transition pathway towards a food commons regime and several policy proposals are also detailed. This presentation summarizes my PhD document "How do people value food? Systematic, heuristic and normative approaches to narratives of transition in food systems" defended at University of Louvain (2017).