Shack Shack will be serving up Chili Cheeseburgers, Chili Cheese Dogs, and Chili Cheese Fries at Shacks nationwide for a limited time. Chili Cheeseburger: Cheeseburger topped with smoked and slow braised beef chili with ancho and chile de arbol peppers Chili Cheese Dog: Vienna beef hot dog topped with smoked and slow braised beef chili with ancho and chile de arbol peppers Chili Cheese Fries: Crinkle cut fries topped with … Continue reading →