In that case, it wouldn’t be all that different from beef sausage. Maybe a little leaner. As for the taste… well I don’t know, but I doubt it would be like chicken.
For those without access to JSTOR the cited essay is about a page long and is mainly speculation if irregular consumption of human flesh by Maoris of New Zealond is never-the-less nutritionally significant. It is written in response to a paper by Stanley M. Garn and Walter D. Block entitled “On the Limited Nutritional Value of Cannibalism” (American Anthropologist Vol 72 p106). Referring to THAT paper, in turn, gives us the following:
No other nutritional information (or speculation) is offered that I could see.
… That’s not only not useful but also seems to be entirely pulled out of somebody’s ass, since none of the references Block and Garn cite at the end actually deal with physiology of humans or skillful butchering thereof.