The Bialetti Moka Stovetop Espresso. Maker produces a rich, authentic cup of espresso in just minutes. The aluminum pot features Bialetti’s distinctive eight-sided shape that allows it to diffuse heat perfectly to enhance the aroma of your coffee. The distinctive aluminum pot is easy to use. Just fill bottom reservoir with water, put ground espresso in funnel, screw on top and heat on your stovetop. Aluminum pot disassembles for easy cleaning.