Fortified pasta with ingredients derived from agriculture leftovers or expired foods was already proposed in scientific literature and it could suggest an interesting field at the crossroad between food science and biochemistry for the terminal year of chemistry technical high school, strictly linked with sustainability and territory traditions. In this article we proposed a teaching activity based on Participatory Action Research (PAR) methodology applied to the preparation of fortified pasta with olive paté (OP) and to the design of some simple analysis performed on this material.