The small town of Nuoro, on Italy’s Sardinia island, is home to what many are calling the world’s rarest pasta, an intricate, hand-made treat that only a handful of people can make. Known as su filindeu (in Sardinia’s Sardo dialect), or Fili di Dio (in Italian), and translated as threads of God, this traditional pasta had been linked to La Festa di San Francesco, an ancient religious ritual celebrated every year, in May. For the past two hundred years, the only way to try threads of god pasta was to complete a 33km pilgrimage on foot or horseback from Nuoro...