The Charmat method is a way of making sparkling wine by trapping bubbles in wine by carbonating them in large, stainless steel tanks. That is why it’s often referred to as the “Tank method”.
Also known as metodo Italiano, cuvée close and autoclave, it has made the process of making sparkling wines more affordable and is revered around the world. It is the main method used for making Prosecco and Lambrusco wines.