Chef Rick Martinez shares the biggest mistake people make with guacamole — and the tool he recommends for getting it right ...

In ancient times, a traditional molcajete was mainly made from a type of volcanic rock, but nowadays you'll find more options available to you like ceramic, cement, porcelain, or even glass.

Plus: How to know if you have a real molcajete made of volcanic rock and learn care tips for your mortar and pestle After curing with raw rice, a molcajete (to the right of the blender ...