A vibrant, flavorful spaghetti dish bursting with bold flavours! Sauté golden onions, garlic, chilli, and anchovies in olive oil for a savoury base. Wilt tender Cavolo Nero with buttery richness, then toss with perfectly cooked spaghetti and a splash of pasta water for a glossy, irresistible sauce. Finish with Parmesan and dive into a bowl of comfort with a kick!