Gohda's Riddle - The Bread

[prof]

Well, uh, that's because this is a fairy tale puzzle....
Hohohohohoho... It looks as though she didn't figure it out.



Then tell me the right answer, Eva. You figured it out, right? Tell me!
All right. The answer is--
Eva, if you wouldn't mind! They say recipes and riddle answers are best while they remain secret.
You think so? I'll have to tell sometime later, when you aren't around, then.
Yeah, it's a promise!