White Castle adds new plant-based slider to menu

Key facts

• White Castle has added a new slider to its menu.
• The new slider is a plant-based option called the Southwest Veggie Slider.
• It joins beef, chicken, and fish sliders on the menu.

White Castle has expanded its menu offerings with the introduction of a new slider. The Southwest Veggie Slider is a plant-based option that will be available to customers. This new item joins the chain's existing lineup of sliders, which includes beef, chicken, and fish varieties.