See on Scoop.it – Historical gastronomy
Bread started out as porridge – cooked grain pastes. Prehistoric peoples were grinding grain; a millstone thought to be 7,500 years old has been discovered. Two important discoveries led the way to bread (not to mention noodles and pastries). The first was turning those simple pastes into flatbreads by cooking on a hot stone. The second was natural fermentation of the grain paste by wild yeast spores.
See on www.infobarrel.com