Sicilians don’t stoop to modesty.  Yesterday we had ‘the world’s best ice cream’ at Dolceria Costanzo in Noto.  An extraordinary mix of creamy deliciousness and nuanced flavors (my favorite was mandorla made with sweet local almonds).  Earlier in the day we had ‘the world’s best sandwich’ at Caseificio Borderi in Syracusa.  We queued for  an…