I am absolutely sure I've seen a cookbook - or at least a recipe blog - devoted to foods from fantasy. There were a lot of ASoIaF recipes, but also things from
The Lies of Locke Lamora, including trying to figure out how to make that ridiculous cocktail that has a hot poker quenched in it. (I remember this because Lynch himself was commenting on it, having done firefighting training subsequent to writing it, with "oh god, that is so dangerous, wtf was I thinking??" and that sticks in the memory.)
And lo, after a quick google,
here is the recipe for a ginger scald!