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Burger King Introduces Winter Special Mushroom Whopper® Collection

As temperatures cool down, Burger King is gearing up to release a delightful trio of winter-themed burgers, featuring the beloved Mushroom Whopper® line. Starting from January 9, 2026, fans can savor the new Winter Special Mushroom Whopper®, Winter Special Double Mushroom Whopper®, and the junior-sized Winter Special Mushroom Whopper® Jr. Each offering combines a variety of roasted mushrooms with creamy sauces to provide an indulgent experience perfect for the chilly season.

The Flavorful Line-Up

1. Winter Special Mushroom Whopper®

This premium burger is crafted with a grilled 100% beef patty loaded with a medley of four types of mushrooms, including two varieties of roasted mushrooms, enoki mushrooms, and buna-shimeji mushrooms. Positioned between layers of fresh lettuce, tomatoes, and onions, this burger is topped off with a unique Special Sour Cream Onion Sauce made from smooth sour cream, onion paste, and enhanced by the delicate aroma of three herbs: oregano, thyme, and celery seeds. This sauce is perfectly complemented by a dollop of mayonnaise, resulting in a truly gourmet experience.

2. Winter Special Double Mushroom Whopper®

For those who crave more, the Double Mushroom Whopper® features not one but two grilled beef patties, ensuring an unforgettable flavor and filling experience. Just like its single-patty counterpart, this burger is layered with the same exquisite roasted mushroom variety and fresh fixings, all brought together by the flavorful Special Sour Cream Onion Sauce and mayonnaise, making it a heartier option for mushroom lovers.

3. Winter Special Mushroom Whopper® Jr.

Not to be left out, the Mushroom Whopper® Jr. provides a more affordable yet equally delicious option for those who prefer a lighter bite. This smaller version still packs the same incredible flavors and fresh ingredients, giving everyone a chance to indulge in the winter special offerings.

Pricing and Availability

• - Winter Special Mushroom Whopper®

- Price: Single ¥840, Set ¥1,140

• - Winter Special Double Mushroom Whopper®

- Price: Single ¥1,190, Set ¥1,490

• - Winter Special Mushroom Whopper® Jr.

- Price: Single ¥540, Set ¥840

These mouthwatering burgers will be available for a limited time, so be sure to visit your nearest Burger King starting January 9 to enjoy these seasonal treats.

Enthusiasts Take Note!

Fans of Burger King and mushroom aficionados alike won’t want to miss this limited-time offer. With the return of the Mushroom Whopper® series enhanced by new winter varieties, there's something special to enjoy for everyone. Whether you're in the mood for a classic Mushroom Whopper® or seeking a more intense flavor with the Double variant, there is no shortage of options to satisfy your cravings.

Moreover, Burger King continues to ensure that all patrons are aware of their dining options, including some notable restrictions on where these new offerings may be available. Ensure to check local listings to be sure you don't miss out!

Beyond January - The Burger King's Mushroom Whopper® Legacy

Originally launched in October 2025, the Mushroom Whopper® line quickly became a fan favorite. With its combination of grilled beef, a medley of sumptuous mushrooms, fresh garden vegetables, and savory sauces, it found a lasting place in the hearts (and stomachs) of Burger King patrons. Now, the introduction of these winter options further solidifies Burger King's commitment to delighting its customers with innovative and satisfying menu selections.

Stay Connected

For the most up-to-date information on promotions and menu items like the Winter Special Mushroom Whopper® collection, follow Burger King Japan on social media. Check their official site and follow them on X, Facebook, Instagram, and TikTok. They not only share enticing visuals and updates but also engage with their community, making dining at Burger King a truly delightful experience.

Prepare your taste buds for a winter wonderland of flavor with Burger King’s latest seasonal delights. Don't miss your chance to indulge in these exceptional offerings, and remember to check back for more exciting launches in the future!