Meyer wants to know everything about everyone, and Ned is no exception. It helps when he actually finds someone interesting, as opposed to the people he ends up regretting he ever learned anything about, and he does find Ned interesting.

He smiles a little, shaking his head, "I'm not asking you to make me bread, you understand, although if I were, I'd of course pay you for the favor. I'm asking if you might be amenable to teaching me how to make bread. If you could find the ingredients."

Yes, he's very curious, in just about every way. If there's something he wants to learn, he does, and he finds that he wants to learn most things.