ベイクドチーズケーキでしょう
beikudochiizukēkideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ベイクドチーズケーキ

1. Baked cheesecake, probably.; It's likely baked cheesecake.

Polite
Presumptive
Conjecture