Iittala Cookware Preparing and Cooking Sarpaneva Casserole, Cast Iron - The Sarpaneva cast iron pot, sought after by collectors, is now back in production. This pot is an excellent example of the ability of Finnish design to combine practicality and beauty. It has outstanding characteristics for cooking and will turn heads even as a serving dish. The detachable wooden handle that allows you to lift and move both the pot and its lid is a true stroke of genius.