Simulation-based trainings provide participants with an opportunity to explore realistic situations by interacting between each other in order to develop various skills and test different strategies in a gamified environment. Learners get acquainted with many aspects of the long process whereby a product, e.g. a tomato, turn into a processed food such as ketchup; they try to identify the causes of food waste and are challenged with assignments to think of possible solutions. Gamified elements include team competition, quizzes, a physical skill game and prizes to incentivise team competition. Interdisciplinary in its approach (integrating maths, geography, social science, natural studies, etc.), the activity is particularly suitable for non-formal education curricula.