Here's a great article: beer making at it's most basic as the ancients did it.

http://brewingtechniques.com/library/backissues/issue2.5/hitchcock.html

The author suggests that there is a symbiotic relationship between beer making and bread making. i.e. You use the yeast produced in the brewing process to make bread rise.

I've tried it, and it most definitely works. The bread has a wonderful mild beery flavour that doesn't seem out of place at all.

About 30 years ago, in what was then Zaire near the borders of Uganda and Sudan, I came upon a bunch of boys whooping it up at the local saloon. Actually, it was a few sickly looking locals hanging around a mud hut with thatched roof.

I don't know how ancient the recipe was, but there was little evidence of barley. I tried some. My stomach never recovered.

Give me the IPA.