FREEBIE
FREE Fries at White Castle
White Castle Rewards members can score FREE fries with no purchase required. It’s free to join and the offer is available right in the app.
FREE Slider at White Castle on National Slider Day (May 15th)
EXPIRED FREEBIE
FREE Slider at White Castle on 5/15
White Castle is offering a FREE Original Slider on Wednesday, May 15th for National Slider Day! No purchase necessary. Just show the coupon at your local participating Castles restaurant to redeem or use the code SLIDERDAY in the White Castle app. Limit one coupon per customer per visit. Valid 5/15/25 only.
Posted by MrsVonBeau - Updated
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