The creature offers Zaphod and his party his shoulder, braised in a white wine sauce, then goes on to offer other parts of its body, having worked hard to fatten itself up through force-feeding itself for months. Eventually, after Arthur and Trillian have expressed their shock and Ford has expressed his disinterest, Zaphod requests four rare steaks and the Dish of the Day goes off to shoot himself, telling Arthur not to worry, as he says “I’ll be very humane.”
Or comedy-level sci-fi.
https://hitchhikers.fandom.com/wiki/Ameglian_Major_Cow