Most people are familiar with the stuff in the blue box, but what might seem like a simple dish holds many nuances, from achieving that perfectly smooth cheese melt to avoiding greasiness or lumpiness. Find out why mac and cheese holds a special place in Kenji's heart and the results of Deb’s experience making Kenji’s three ingredient recipe. Recipes Mentioned: Deb’s Stovetop Mac and Cheese (courtesy of Smitten Kitchen) Kenji’s Stovetop Mac and Cheese (courtesy of Serious Eats)