The article examines relations between Slow Food and the world of restaurants through a study of three locales located in the center, north, and south of Italy. It sheds light on the various possible forms of involvement of restaurateurs linked to the movement. Having emerged in Italy in the 1980s, Slow Food is today an international movement taking part in the big debates around food-related issues. Restaurant owners who, right from the start, provided a strong support to the movement have also changed their forms of adherence, which are nonetheless always pragmatic. The analysis focuses on the link between the economic aspects, political stakes, and modes of construction of trust.