THE RESTAURANTS DOWNTOWN NYC DIARIES

New School: Corner Bar Ryan: Corner Bar by Ignacio Mattos isn’t a steakhouse, but it’s very easily among the city’s best places to try to eat a modern steakhouse meal. This millionaire’s riff with a P.J. Clarke’s-model tavern — located in an ultra-hip corner of the Decreased East Side — serves a stunner of the head-on shrimp cocktail