Gills Onions, LLC of Oxnard, CA is initiating a voluntary recall, 2,360 pounds, of diced red onions with lot code 51RDA1A2119 and use-by-dates May 14, 15 and 17, 2012 because it may be contaminated by Listeria monocytogenes. The product is beyond its use-by-date, no illnesses have been reported in connection with this recall, and no other Gills Onions product is affected by this recall.