Always balk at its ridiculously high prices (it is fast food, after all) but how could I resist a burger at its flagship store?? Opted for the Shake Stack ($14.30) this time - their penultimate burger. Comprising its signature potato buns with a juicy beef patty, flavour bursts in your mouth as you bite down on its fluffy exterior. The experience is elevated by the addition of a portobello mushroom topped with provolone cheese and encased in a crisp batter.. This is my very definition of a dirty burger 🌟