Casasalvo is now open on Spring Street. Courtesy Erica Chayes Wida It was only last year that chef Salvo Lo Castro, a Sicilian who spent nearly three decades cooking for some of the most powerful people in Italy, opened his first espresso bar, Casasalvo, in New York. With Rome-sourced roasts so deep they activate the internal corners of your mouth with a tobacco-y zing, the café took off.