Oh hey sure enough it's rice. That didn't grow in the Constant, so he hasn't eaten it in quite a while.

"I've eaten a lot of meatballs that fit that description. It's food, it's better than eating the ingredients individually, in it goes." He makes a gesture like he's tossing imaginary food into the pot.

"Yeah. Originally, anyway. This isn't the first extra-dimensional nightmare-world I've been trapped in, so I haven't seen Earth in..." He gazes vaguely upwards as he works out the numbers. "A couple of years, I guess."