Plant molecular farming (PMF) is a modern, sophisticated technology that utilizes plants’ biosynthetic machinery to synthesize a plethora of recombinant proteins, including industrial and therapeutic enzymes. It has several advantages over traditional approaches, such as microbial fermentation and mammalian cell culture, including lower costs, high-yield production, and absence of human pathogens and endotoxins. Plants also provide considerable flexibility that allows customized protein production.