To make a perfect souffle, the heat needs to be spread evenly over the bottom and sides of the dish, which is why the souffle dish has high, vertical sides. It also has to retain the heat, to stop the souffle from losing it’s height. This is the great advantage of earthenware dishes. Savory or sweet, your souffles will always be a success!About Emile Henry… In the Burgundy region of France is the legendary maker of fine French cookware named Emile Henry. There, potters still hand craft each piece from the local Burgundy Clay – one of the purest of clays, and finish each one with a process known as CERADON, which makes them extremely solid and durable. Containing no lead or cadmium, the clay is one of the best materials for baking and serving.