Burger King Japan Launches Mushroom Ugly Burger® with 4-Cheese Craft Buns from May 8, 2026
Key Takeaways:Burger King Japan brings back its hit Mushroom series with a premium twist: the Mushroom Ugly Burger featuring four kinds of mushrooms and labor-intensive 4-Cheese Craft Buns. Available nationwide from May 8 to 17, 2026, with a single priced at 1,090 yen and a 100-winner keychain giveaway via the official app. Burger King® Hit Mushroom Series Returns with New Premium Edition BK Japan Co., Ltd. will launch the Mushroom Ugly Burger® as a limited-time offering at Burger King® locations nationwide from Friday, May 8 through Sunday, May 17, 2026. This newest entry in the wildly popular Mushroom series combines four varieties of mushrooms with the signature 4-Cheese Craft Buns used in the beloved Ugly Burger lineup, creating a hearty and authentic burger experience. The Painstakingly Crafted 4-Cheese Craft Buns The 4-Cheese Craft Buns used in the Mushroom Ugly Burger® are the result of extensive development and refinement. The pre-fermentation […]
Burger King Japan Launches Mushroom Ugly Burger® with 4-Cheese Craft Buns from May 8, 2026 Read More
