This deal expired on May 15, 2026. Check our homepage for the latest deals.
⚠ Expired Deal — This deal expired on May 15, 2026. Check our homepage for today’s best deals.

Head to White Castle where you can get this FREE Original Slider at White Castle on May 15th completely FREE! On May 15th, National Slider Day, White Castle is offering a FREE Original Slider.

The deal

No purchase necessary.

Why we like it

To redeem, use the digital coupon or enter the promo code SLIDERDAY on their app. This is a one-day offer, so mark your calendars for May 15th. The Original Slider is a classic White Castle menu item, and now it’s free.

Key features

Whether you’re a White Castle fan or just looking for a tasty treat, this offer is a great opportunity to try something new. Don’t miss out on this chance to get a FREE Original Slider at White Castle. The offer is only available on May 15th, so be sure to plan ahead.

Bottom line

You can find White Castle locations near you and get the details on this offer by visiting their website or app. Get your FREE Original Slider at White Castle on May 15th and enjoy a delicious treat without spending a dime.

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