Eat Me!

Homo erectus skulls. From the hard drive.

Bet if you cooked me the right way there'd be a fair amount of cracklin' fat to enjoy. (Or you could eat me raw!!)
This apparently did not apply to most of your ancestors.

James Cole / Nature:

Assessing the calorific significance of episodes of human cannibalism in the Palaeolithic  —  Abstract  —  Episodes of Palaeolithic cannibalism have frequently been defined as ‘nutritional’ in nature, but with little empirical evidence to assess their dietary significance.

Discussion:

The Conversation / Raw Story:   Our ancestors were cannibals - and probably not because they needed the calories

Sputnik International:   Stone Age Cannibals Got No Nutritional Value From Eating Humans, Study Claims

Bryson Masse / Motherboard:   Our Ancestors Engaged in Cannibalism For Fun and Profit, Not Just For Calories

Sarah Kaplan / Washington Post:   For ancient cannibals, fellow hominins were a low-calorie meal

Nicholas St. Fleur / New York Times:   Ancient Cannibals Didn't Eat Just for the Calories, Study Suggests

Alessandra Potenza / The Verge:   How many calories is that human? A nutritional guide for prehistoric cannibals

George Dvorsky / Gizmodo:   Ancient Humans Didn't Turn to Cannibalism For the Calories