[OOM] Oswin, Moriarty and Delicious Cake.

"You know where the kitchen is," Moriarty says as they enter, setting down the basket, and the violin next to it. "I'll be with you momentarily.

The moment in question, it seems, is being mostly devoted to finding a change of clothes from his wardrobe. Victorian clothes are all good and well, but they're stiff, and a lot of layers, and they tend to pick up the smell of London like nothing else.

(Moriarty rather hates the smell of London.)

The kitchen is, at least, in the same place. It would be inconvenient if it was somewhere totally different.