It’s medically documented that it’s best not to cook with aluminum ware, because long term use can cause health issues such as alzheimers. Most espresso stove top makers are made with aluminum, but we’ve found one made with stainless steel, and beautifully constructed too!
If you’ve never used a stovetop espresso maker, they are very easy to use. It works by forcing hot water steam UP through the grinds like any espresso machine except in this case the water is traveling UP towards the coffee grinds, as opposed to DOWN.