Food safety and quality assurance systems have emerged as a key mechanism of food governance in recent years and are also popular among alternative agrofood movements, such as the organic and fair trade movements. Rural sociologists have identified many problems with existing systems, including corporate cooptation, the marginalization of small producers, and the depoliticization of consumer consciousness. Tackling these problems requires an epistemological shift. This article argues that the existing systems are based on positivist epistemology and calls for a feminist intervention. To show a concrete example of a feminist departure from the conventional assurance systems, I look at the case of a Japanese women's food cooperative and analyze its unique system, comparing it to its conventional counterpart, Hazard Analysis and Critical Control Points (HACCP). Feminist epistemology can change assurance systems from being closed, nondiscriminatory, and technical to being participatory, differentiated, and normative.