The first spoonful is a surprise.

Sweet. Savory. Familiar — but not quite. Somewhere between dessert and a distinctly Nebraskan comfort food, a new collaboration is asking fans to rethink the definition of ice cream. The result is a Runza-flavored frozen treat, a limited-release product that blends the signature spices and notes of the iconic sandwich into a cold, creamy form.

“It’s definitely a sho…