This book explores innovative strategies for repurposing food waste, with a strong focus on process and product design. It highlights diverse food waste sources, including expiring materials and often overlooked resources, offering a comprehensive evaluation of technologies, methods, and sustainable solutions to address the global challenge of food waste. Key Features:Offers guidelines and a food waste valorisation frameworkPresents unique pathways for valorising food waste and expired foodDelves into principles and strategies for food waste valorisation, transforming food waste into building and construction materials, upcycling food waste, and extracting bioactive compounds from expired sourcesExplores converting food waste into biochar, biofuel, and maximising biogas production, as well as utilising bioconversion technology with Black Soldier Fly larvae and integrating the water–energy–food nexusEach chapter includes exercises and case studies to enhance understanding and practical applicationThis text is aimed at academics, engineers, technologists, and researchers in the food, pharmaceutical, and chemical industries.