[Sealing up is a go! That may not have been the most difficult prep work in the world, but she still feels nicely accomplished for having done so much of it. And once that's done, she's understandably distracted him from any forthcoming instructions for the next dish, and wipes her hands off with a kitchen towel as she explains:]

I don't know if Senpai ever told you this . . . but the two of us have been to Fuyuki before. Actually, that was the first Singularity Chaldea ever found. That was where I learned how to act as a Servant. And the Saber we met there was Arturia Pendragon. So—I wondered if that part might have been the same, even though the Singularity wouldn't have gone the way your own time did.