Lucy in the Sky with Steak

We aren't the only great apes that prize a good steak. It's well-known that chimpanzees and bonobos hunt other animals and consider flesh a great prize. The evidence is that if they were better hunters they would probably eat more meat. At what point in our evolution did meat go from a rare treat to a preocupation?

Scots Wha Hae

 A while back I read an article mentioning a book called Prehistoric Cookery. It had some interesting ideas, so I bought the book.