Shake Shack Madison Square ParkShroom Burger$9.00Crispy-fried portobello mushroom stuffed with muenster and cheddar, draped in ShackSauce — the best vegetarian option and legitimately good on its own termsWhat 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