: In bread making, porous lava rocks are often placed in a pan at the bottom of the oven. Pouring water over them creates an initial blast of steam that helps sourdough and other breads achieve a better "oven spring" and a crispier, golden crust.
Lava stone products generally fall into two categories: specialized slabs for direct cooking and loose rocks for heat management or steaming. Slabs and Griddles buy lava stone for cooking or baking
: A 11.8 x 7.9-inch natural volcanic stone plate for oven and camping use, priced at Walmart for roughly . Loose Lava Rocks : In bread making, porous lava rocks are