This work aims to test Prosperity Thinking methodology in Action and assess whether this method would respond to the needs of designers, innovators, and change-makers that are willing to change the food system. Starting from the evolution of marketing design to human-centered design, we illustrate the importance of taking into account the planet's means in the design for Sustainability at the system level. We approached the problem starting from practice, with an Action Research Innovation Management Framework (Guertler, Kriz, and Sick, 2020). Results show that designers, innovators, and changemakers have an interest in a methodology that helps them to analyze and solve systemic challenges linking the micro (human) and macro (planet) through a participatory approach to achieve long-term impact of the designed solutions.