"THE MAGIC OF CLAY SLOW COOKING HAS NOW ARRIVED WITH AN ELECTRIC ENHANCEMENT". Cooking at a perfectly computerized balance of temperature within breathing porous clay brings out its extraordinary texture and flavor. Natural Zisha clya, the legendary secret behind the new VitaClay Chef, was formed over thousands of years by cleasing rainfalls that scrubbed the mountains in southern China, releasign mineral into lakes and forming huge beds of Zisha, known as the "Pride of China".