He's offered him an alternative to waiting to be fed, but he's not surprised that he ignores that completely. What noble brat would consider cooking themselves, let alone gathering ingredients to do so. He knows enough, some things never change and the rich have always been one of those.

here's nothing to say that can't be twisted, and he's not good enough with words to find a way to phrase them that would placate his prisoner. So, Dean chews on his words for a few moments as he stares at Castiel. "You are ridiculously dramatic." He finally says with a snicker.