That is... pretty much exactly what it feels like. He gets you, Sougo.

"Ahh, I'm really not sure if that's really going to change how they taste," that doesn't seem scientific at all!! But he's only refuting it in the most light-hearted way, because that's just silly...!

"I did try one, though, with my roommate, and they did turn out pretty nice."

So maybe there's something to it? But it's probably just that they naturally taste good. Who knows.