New Ultimate Sliders and Smoothies at White Castle

White Castle turns up the heat to match the weather with the introduction of new, spicy Ultimate Sliders and sides as well as new smoothies. Along with the new menu items, the Sriracha Chicken Slider makes its return.

"Ultimate" in this case sees to mean topped with jalapeno cheese, sliced jalapenos, and chipotle mayo. Here's the new, limited time selection:

- Ultimate Sriracha Chicken Slider - breaded, Sriracha-spiced, white meat chicken topped with jalapeno cheese, sliced jalapenos and chipotle mayo.

- Sriracha Chicken Slider - breaded, Sriracha-spiced, white meat chicken topped with chipotle mayo.

- Ultimate Jalapeno Cheese Slider - An Original Slider topped with jalapeno cheese, sliced jalapenos and chipotle mayo.

- Ultimate Jalapeno Breakfast Slider - Sausage or bacon, fresh-cracked egg, jalapeno cheese, sliced jalapenos and chipotle mayo.

There's also two Ultimate sides:

- Ultimate Jalapeno Cheese Fries - Crinkle cut fries topped with melted cheese, sliced jalapenos, and chipotle mayo.

- Ultimate Jalapeno Onion Chips - Crispy onion chips topped with melted cheese, sliced jalapenos, and chipotle mayo.

As far as the new smoothies go, they come in two flavors: Strawberry Banana and Peach. They're made with fruit from Dole and Yoplait low-fat yogurt.

The limited-time items are available through July 4, 2015, while supplies last.