[She keeps calling him something that sounds like 'Sir' so he's just going to casually shrug with the delivery of his next line. This has already come up a few times before and he hated insulting people, but at the same time-]

You can call me Ed if that's all right.

[There's a moment of hesitation at the mention of seafood, glancing off screen briefly before responding.]

Not really, I know how to cook fish all right but I didn't exactly have much of a kitchen back then, no electricity, it was more open flame- kind of like roasting marshmallows? There isn't really a recipe for that, though I guess you could add a little seasoning.

[He has no idea what her scope of reference is, but roasting marshmallows is a big thing this month, right? Surely she's heard of it, at least here. He's also not going to assume she knows anything about cooking over an open fire, thus the attempted explanation regarding how that worked.]

The books might have something, though... if you're feeling adventurous.