Boy does she ever. Leon catches most of that, even if the 'how' of it goes over his head a little, but the last bit trips him up. He's visibly confused as she finishes.

"...Sweet potato?" he echoes back, unsure if he heard right. If he thought about it a second he might put two and two together with regards to her needing a natural source to extract it from, but as it stands that's a bit of a leap for him to make on his own.