Mexican chocolate is made from dark, bitter chocolate mixed with sugar, cinnamon, and sometimes nuts. The end result is a "grainy" less smooth product. Chocolate is frequently purchased in "disks" although it is also available in bars and syrups. Two Mexican chocolate brands widely available in the US are Ibarra and Abuelita. Look for them in the Hispanic section of your supermarket. nearby. The key to traditional Mexican hot chocolate is the tool designed to make it frothy - a round, notched, wooden whisk called a molinillo but you can place it in a blender to get it nice and frothy. Or use an imersion blender to get it frothy.