The producers of Pillsbury Unbleached All-Purpose Flour, used by many home bakers, have voluntarily recalled 12,245 cases sold to retailers, after a random inspection revealed traces of salmonella in one bag.

The cases, each of which contains about eight five-pound bags, were mostly sold to the Publix supermarket chain and to Winn-Dixie markets, both of which have branches throughout the Southeast. The cases have best if used by dates of either April 19, 2020 , or April 20, 2020.

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The Food and Drug Administration posted a notice on its Twitter and Facebook accounts Monday . But a spokesman noted that the F.D.A. had so far identified this as a Class 2 recall, which means that the agency is monitoring the situation but has not issued a more formal alert, because no one has reported becoming ill from the flour.