White Castle Original Slider

White CastleBurgers

White Castle's Original Slider is a small, steam-grilled beef patty with onions and a pickle on a signature soft bun. The burger that invented the slider concept in 1921, White Castle is the oldest fast food chain in America and the Original Slider remains its most iconic item.

CR Score is the average of 1 user rating on a 1–10 scale. Updated May 3, 2026.