Baja's "seafood candy" Named for the uniform brown color of its shell rather than any chocolate flavor, the meaty Mexican chocolate clams are a rare treat, and one can scour the world and the top gourmet kitchens without finding them. However, these prized clams are not foreign to the country but an everyday part of traditional food in Mexico. Along the coast of the Baja Peninsula, these savory clams can be spotted in different types of authentic Mexican food and dishes