The show that we started with is, in many ways, very much like the show now. There was a brief period when I first started talking to them—because I was coming off of doing Lucy: Daughter Of The Devil and I had this kind of more occult-y, sort of darker edge to the way I was thinking then—I did pitch the show [as] a family of cannibals who runs a restaurant. There’s sort of a Sweeney Todd aspect to it. They basically said “everything but the cannibalism,” and that included the cast.
As part of a long, in-depth interview with the AV Club, Bob’s Burgers creator Loren Bouchard talked about how the show changed from the pitch to the aired version as Fox gave notes. It was pretty much the same, save for, you know, the whole cannibalism thing: