The bacteria was discovered during testing.
The flour was distributed to select ALDI stores in Ohio and 10 other states.
The Bakers Corner All Purpose Four affected by the recall is sold in 5-pound bags with a best used by date of Dec. 2. The lot code is L18A02B with a UPC code of 041498130404.
The product has been removed from store shelves.
Anyone who purchased the recalled flour should throw it away or return it to their local AlLDI store for a full refund.