Pizza stones aren't just for cooking pizzas on. They help you maintain your oven temperature[1]. Also, IIRC, Alton Brown does use a pizza stone, but he recomme

Pizza stones aren't just for cooking pizzas on. They help you maintain your oven temperature[1]. Also, IIRC, Alton Brown does use a pizza stone, but he recommends buying unglazed ceramic floor tiles as an alternative. [1]https://www.cookingforgeeks.com/blog/posts/the-two-things-you-should-do-to-your-oven-right-now/ https://www.cookingforgeeks.com/blog/posts/the-two-things-yo...