Guacamole 's an avocado-based relish or dip. History Of Aztec origin, guacamole was originally made by mashing ripe avocados, with a molcajete (mortar and pestle) and adding tomatoes and salt. After the arrival of the Spanish conquistadors, guacamole became popular in Spain. The name guacamole comes from an Aztec dialect via Nahuatl āhuacamolli, from āhuacatl (="avocado") + molli (="sauce"). In Spanish it's ; in areas of California with Mexican-influenced pronunciation it's in American… (More on Guacamole)