A McDonald’s supplier recalled yellow onions produced in a Colorado plant in response to a deadly E. coli outbreak at the fast food chain.Taylor Farms, which supplies onions to McDonald’s franchises that are the subject of a multi-state investigation by health authorities, said it was pulling products “out of an abundance of caution” and that it did not find traces of E. coli as of Wednesday.The Food and Drug Administration has pointed to Taylor Farms onions as “a likely source of contamination.” 4 A com ...