While the local food scene is better known for Salvadoran pupusas, it doesn’t stop many a displaced Californian (or Texan or Arizonan) from the fervent pursuit of an authentic Mexican taco. These tacos are a far cry from any oily, hard-shelled monstrosity found at Taco Bell. Traditional tacos are generally two small corn tortillas filled with shredded meat, onion, cilantro, and finished off with a squeeze of lime. I distinctly remember the first time I…