Certainly. After all, we wouldn't want any more mishaps.

[and he'll go ahead and split the dough in half, handing one half to Kairi]

We shouldn't make the pieces too large, as they would take longer to cook and there would be less room on the tray, but at the same time, they shouldn't be too small. Perhaps, hm...

[with his free hand he tries to demonstrate a proper size]

Roughly this size may work.