The Shack-Cago Burger is a flavorful tribute to Chicago’s bold taste traditions, packed into Shake Shack’s juicy beef patty. It’s loaded with tangy pickles, onions, fresh tomato, and a pop of spicy sport peppers for that authentic city kick. A dash of mustard and celery salt ties every bite into a perfect flavor burst. This burger isn’t just a meal ,it’s a Chicago-style experience ... https://shakeshackusa.com/secret-menu/