The top-selling non-beef slider in White Castle restaurants is coming to retail outlets and convenience channels, including vending and micro markets. The White Castle Chicken and Cheese Slider joins five other White Castle varieties that are available in grocers’ freezers and foodservice: Original Sliders, Classic Cheese Sliders, Jalapeño Cheese Sliders, Chicken Breast Sliders and the Sausage, Egg and Cheese Breakfast Slider.