[The answer is predictable this time, at least. A simple:]

Small, please. [Which is followed by a smile. After glancing around to make sure there are no other customers in line just yet, Kaoru scoots off slightly to one side, standing near the counter to be able to watch.]

May I ask how long you've been cooking, sir? As long as you've been practicing with the sword? It seems like a varied skillset.