I too enjoy a nice meal of plastic models. As they say, "yakiniku set meal."
This is a double joke, by the way. "Yakiniku teishoku", "yakiniku set meal", sounds like "jakuniku kyoushoku", "survival of the fittest", so it's an old joke in Japan to say that your favourite saying is "yakiniku teishoku". So the joke isn't just that she filled in her answer in the wrong place but that her wrong answer happens to be a common joke answer.