Never? Really? Here, you should try one, then.

[He slides one off the rack and onto a plate, then offers it to Sanji.]

It starts with curry, but you have to reduce it down until it's thick. Then you put it inside a slightly sweet dough, roll it in bread crumbs, and fry it. I usually like to bake it for a few minutes after, as well, but you don't have to.