As part of the chain’s month-long National Hamburger Month celebration, White Castle will:
- Offer a free Cheese Slider on May 15, National Slider Day. No purchase is necessary.
- Offer discounts off the purchase of Sliders on May 15 on Instacart.
- Sell $25 Gift Cards for $19.21 in recognition of the year White Castle opened for business.
- Offer a free dessert-on-a-stick with any purchase for Mother’s Day weekend (May 12-14).
- Give members of its Craver Nation customer loyalty program 20% off mobile orders in May. New members get a free Original Slider Combo Meal just for signing up.
National Hamburger Month is celebrated annually during the month of May.
Image via White Castle
