Money E. coli risk leads King Arthur Flour to recall bags of its unbleached all-purpose flour June 13, 2019June 13, 2019Kelly Tyko, USA TODAYComments Off on E. coli risk leads King Arthur Flour to recall bags of its unbleached all-purpose flour Select bags of King Arthur Flour have been recalled for possible E. coli contamination. Nearly 114,000 bags are a part of the nationwide recall.