[Sayori's mouth is still full when Natsuki asks her question, so she doesn't answer right away. Not that she's averse to talking with her mouth full, it's just that the bite she took was...too big.

And in that moment, she has a little time to think about Natsuki's answer. She makes a sound of deep thought and swallows before responding.] Mmmm. The pink is part of it, but that's not the only reason.

[She can't remember the others, but it's not so superficial a comparison as that.

She grins as she continues.] I do like cookies! They're— [suddenly, with excited realization:] I think they're my favorite dessert!