Burger King's Autumn Delight Returns: The Mushroom Whopper is Back! This autumn, Burger King brings back its beloved Mushroom Whopper, featuring 100% beef, four types of mushrooms, and a rich pepper mayo sauce.

Burger King's Autumn Delight Returns: The Mushroom Whopper is Back! #Japan #Tokyo #BK_Japan #Mushroom_Whopper #Premium_Pepper_Mayo