Basically a mortar and pestle in which to mix your guacamole, this molcajete is made from lava rock and can also be used as a serving dish. Hot, hot, hot.
I grew up with a molcajete always in my house. Use it not only to make guacamole but you can make great salsa, smach pepper, tomatoes, and garlic and voila. I could go on listing what to make in this, but I'll let you discover ways to use it.