Sauerkraut was a food from Earth.
In 1957, Johnnies Market in Carbon Creek sold homemade sauerkraut. (ENT: "Carbon Creek")
Roy Ritterhouse claimed he had had extra sauerkraut on his franks the night before when the writers of Incredible Tales complained about a drawing he had made of a bug-eyed monster climbing a building. (DS9: "Far Beyond the Stars")