Greenovators has developed this guideline to assist universities in rethinking their cafeteria services through a sustainability perspective. This resource offers a clear, practical, and science-based framework to guide institutions in transforming their food environments. It addresses vital areas such as food procurement, menu design, waste reduction, energy and water consumption, staff engagement, and student participation. By following this guideline, universities can take significant steps toward achieving both national and global sustainability goals, including the United Nations Sustainable Development Goals (SDGs), while enhancing their identity as forward-thinking, socially responsible institutions.