Antonina Lo Nardo comes from Palermo, where red and yellow sweet peppers are as intense in flavor as they are in color. The city’s exuberant street markets, labyrinthine winding streets with vendors singing out the virtues of their wares, are full of the best products the island has to offer. There are sheep’s milk cheeses—milky soft tuma, which becomes sharper primo sale after it has been salted and aged briefly, and wheels of pecorino aged for at least 6 mon