If you have White Castle burgers in your freezer - you may way to listen up. White Castle issued the voluntary recall because the burgers may be contaminated with listeria. Frozen 6 pack cheeseburgers, frozen 6 pack hamburgers, frozen 6 pack jalapeno cheeseburgers, and 16 pack hamburgers and cheeseburgers are part of the recall. They all have best-by dates ranging from August 4th, 2020 to August 17th, 2020.