White Castle is bringing back the chain's popular back Corn Dog Nibblers and Mac & Cheese Nibblers as part of its summer taste sensations menu.White Castle's Mac & Cheese Nibblers are made with cheddar cheese and macaroni before they're coated with a crispy cheddar batter.The Corn Dog Nibblers are made with 100 percent chicken, as opposed to the traditional beef version. The meat is wrapped in sweet honey corn bread and cooked to a golden brown for a crispy outside and tender inside.The menu items will be available for a limited time at all White Castle restaurants beginning May 27.