Double ‘shroom Burger$18.99 – $23.24 Doubly Delicious – Double everything. Double patty, double mushrooms, double cheese. Special sauce & mayo. Choose Side: Choose an optionFriesOnion RingsSweet Potato FriesSpicy FriesPoutineCaesar SaladClear Double 'shroom Burger quantity Add to cart SKU: N/A Category: Burgers Related products Bacon Cheeseburger $16.99 – $21.24 B. B. Q. Chicken Burger $18.99 – $23.24 Rocko Triple $22.49 – $26.74 Brunchburger $18.99 – $23.24