Trattoria della Nonna may very well be Mansfield’s best kept culinary secret, ‘though concert goers in the know and savvy residents have been onto chef Ken DeFazio’s flavorful, rustic Italian cuisine since he opened his doors. Click through for a look at DeFazio’s fare, his best efforts at recreating his grandmother’s Calabrian cuisine, then warm up the car; it’s time for a trip to Mansfield.