Biscotto stoneBiscotto Stone perfect crust at high heat The Biscotto stone is made from natural Italian clay that withstands extreme temperatures and provides even, controlled baking. Its low thermal conductivity allows you to bake pizza at very high heat without burning the bottom ideal for Neapolitan pizza, but also for anything else you want to bake. The stone performs well at lower temperatures too. Focaccia, bread, pastries and even frozen pizza achieve