Food engineering can significantly improve the efficiency of chocolate production by optimizing the equipment, processes, and parameters involved in each stage. For example, food engineers may design and implement automated systems that monitor and control fermentation, drying, roasting, winnowing, grinding, conching, pressing, tempering, and molding processes with the help of sensors, actuators, algorithms, and software. Additionally, energy-efficient and environmentally friendly methods of heating, cooling, and drying the beans and chocolate can be employed such as solar, microwave, infrared or vacuum technologies. Novel methods of extracting, purifying and modifying cocoa butter and cocoa solids like supercritical fluid extraction, membrane filtration or enzymatic treatment can also be used to enhance their quality and functionality. Innovative methods of adding ingredients such as sugar milk or flavorings to the chocolate like ultrasound high-pressure homogenization or microencapsulation can further improve their solubility stability and distribution.