Shake Shack Thayer StreetShroom Burger$8.00Crispy fried portobello stuffed with melted muenster and cheddar — Shake Shack's vegetarian flagshipWhat people saidBe the first to tell people about this dish.A real review, tied to a real visit.Write a reviewCheck in first📝Reviews are tied to a real visit — that’s how we keep them honest.Check in nowNot here right now