I make pesto often, and for all the usual reasons: It’s simple and easy to prepare, it’s rich but fresh-tasting, and it can function not just as a pasta sauce but also as a vibrant dip, dressing for meat or vegetables, or sandwich spread. Like most cooks, I default to the familiar Genovese puree of basil, pine nuts, Parmesan, garlic, and olive oil. But almost every region of Italy lays claim to its own version, and I’m often tempted to branch out and try other styles—most recently, pesto alla calabrese. Calabria’s namesake sauce looks and tastes nothing like the raw Genovese puree for two key reasons: First, it trades the base of basil and nuts for the red bell peppers, creamy ricotta and tangy Parmesan cheeses, and hot chiles native…
