White Castle is a fast-food restaurant chain that specializes in sliders, small square hamburgers. The restaurant also serves other items such as french fries, onion rings, and milkshakes. White Castle is known for its unique and flavorful sliders, which are made with 100% beef and cooked on a flat-top grill. The restaurant's atmosphere is casual and family-friendly. White Castle is a great place to go for a quick and affordable meal.