The tagine, an iconic vessel synonymous with Moroccan cooking, has a distinctively conical lid. It’s traditionally made of earthenware and used directly on the stovetop. The conical lid directs moisture toward the center of the dish, helping food to cook more evenly. To make a tagine for use on the stovetop, you’ll need to use micaceous clay, available online.
From the Pottery Making Illustrated May/June 2016 issue.