Food waste has received little attention in pervasive computing. In this paper we discuss previous work which stresses the need for understanding how intelligent technology could prevent food waste in households. We present EUPHORIA, a community based social system that can track users’ food waste potential and redirect behavior, through social influence strategies, towards more sustainable food related practices. To promote social interaction, the system recommends social recipes based on available food from different users to prevent waste as well as to provide a new pleasurable experience around food. A mobile application will be developed in three phases. In the first phase, the application allow users to log and track food waste relate...