This interactive course is a self-training tool. It guides you through the simulation of a workshop process in the fictional country of Namambar. You will learn how to use a methodology based on malnutrition problem-and-solution trees to support joint planning for combating food insecurity and malnutrition. Through this course, you will also improve your understanding of the multisectoral causes of malnutrition, and gain new facilitation skills for successful participatory workshops.