MORTAR

It's a bowl made of stone

PESTLE

It's a stick made of stone

ANY GRINDING RECIPE

Pestle on top, Mortar on bottom, Item in the middle

Alters certain vanilla recipes to require the mortar and pestle. You can add your own custom recipes by setting the "type" to "mortarandpestle:grinding". This will preserve the mortar and pestle in the crafting menu.