White Castle to Give Away Free Original Sliders in Celebration of "National Slider Day" on May 15

White Castle to Give Away Free Original Sliders in Celebration of "National Slider Day" on May 15

Every customer can enjoy one complimentary Original Slider;

White Castle to Give Away Free Original Sliders in Celebration of "National Slider Day" on May 15 - PressReach

Every customer can enjoy one complimentary Original Slider; no purchase necessary to redeem offer White Castle is also offering limited-time deal: six Original Sliders for $4 COLUMBUS, Ohio, May 12, 2025 /PRNewswire/ — White Castle, America’s first fast-food hamburger restaurant and home to The Original Slider®, is recognizing National Slider Day on May 15 by treating its customers to a complimentary Original Slider. No purchase is necessary to …