A lot of rot? Bread rising from 4,500-year-old Egyptian yeast, Thai beef soup stock simmering for 45
In late 2019, Seamus Blackley, known as the father of the X-Box, and a keen sour dough bread baker and Egyptologist, made bread using a 4,500-year-old yeast, collected from ancient Egyptian ceramic pots once used for beer and bread making. Quite the achievement.