Seems like you can cook just fine to me.

[ He shrugs, going back to enthusiastically stuffing his face. If Yuuri wants to be humble about it, Yuri's not gonna bother correcting him. Not his style to insist, even if he's pleased with the praise. ]

Taking a whole pie to school would be a pain in the ass, so I was thinking tarts. Not sure which fruit to use, though. Strawberries?