Well, that was worth a small laugh at least, and he graced her with one. "It is food," he agreed, "depending on one's definition of the word. I suppose some might say it is not, in fact, food if the average person cannot pronounce half of the ingredients." He could, of course. Which meant he knew just how artificial many of them were.
Honestly, though, it was simply a miracle that Khan chose to eat. It seemed such an irritating task, one he took little pleasure in. He truly only did it in order to survive. Because as much as this world didn't appeal to him, the alternative drew him even less.