Macaroni and cheese, much loved by both children and adults in the United States, is revered for its comforting qualities, its cheesy silkiness a perfect match for satiny-textured macaroni. So when my sister Mathangi, in Mumbai, quipped, “Your nephew loves macaroni and cheese the way I make it, and he asks for it all the time,” I was instantly intrigued. Of course her version was Indianized, the homemade creamy paneer a sit-in for cheddar and mozzarella, fortified wi