Introducing New Teriyaki Flavor to the Best-selling Gokuzan Kurobuta Bun
FamilyMart, based in Minato, Tokyo, has been listening to its customers and is excited to announce the launch of the 'Gokuzan Kurobuta Teriyaki Bun' on November 25, 2025. This new flavor is the second addition to the popular 'Gokuzan Kurobuta Bun', following the highly successful curry flavor released earlier this year. Since its debut in 2019, the traditional steamed bun, known for its 50% filling ratio of high-quality ingredients, including 100% domestic black pork and pungent onions, has gained immense popularity with over 70 million units sold. The Gokuzan Kurobuta Bun even won the Grand Prix at the 82nd Japan Food Selection in 2024, highlighting its outstanding quality and taste.
The 'Gokuzan Kurobuta Teriyaki Bun', priced at 223 yen (tax included: 240 yen), continues this tradition of excellence. Customers can expect the same chewy and resilient dough that has become a hallmark of the product. What sets this new flavor apart is the teriyaki sauce, which is crafted to highlight the sweetness of high-quality Awaji onions, used 100% in the filling. This sauce incorporates select soy sauces typically found in fine dining establishments and premium cooking mirin, ensuring that every bite is a celebration of flavor.
Moreover, to enhance the cohesion of flavors, both the black pork and onions are marinated with the teriyaki seasoning and topped off with freshly cracked black pepper for a mature and rich taste. This winter-exclusive, 'ultimate masterpiece’ invites customers to indulge in a taste sensation that evokes nostalgia while appealing to the modern palate.
In anticipation of this launch, FamilyMart conducted a survey in January 2025 with around 2,000 Gokuzan Kurobuta Bun customers. The results revealed that teriyaki flavor ranked as the second most desired taste, further solidifying FamilyMart’s commitment to meeting their customers’ cravings.
FamilyMart continues to strive toward becoming an essential part of the community under the motto, 'You and, Convenience, FamilyMart', as it nurtures relationships with customers like family and seeks to provide an invaluable place beyond mere convenience.
Images are for illustrative purposes only. This item may not be available at all locations.
The 'Gokuzan Kurobuta Teriyaki Bun', priced at 223 yen (tax included: 240 yen), continues this tradition of excellence. Customers can expect the same chewy and resilient dough that has become a hallmark of the product. What sets this new flavor apart is the teriyaki sauce, which is crafted to highlight the sweetness of high-quality Awaji onions, used 100% in the filling. This sauce incorporates select soy sauces typically found in fine dining establishments and premium cooking mirin, ensuring that every bite is a celebration of flavor.
Moreover, to enhance the cohesion of flavors, both the black pork and onions are marinated with the teriyaki seasoning and topped off with freshly cracked black pepper for a mature and rich taste. This winter-exclusive, 'ultimate masterpiece’ invites customers to indulge in a taste sensation that evokes nostalgia while appealing to the modern palate.
In anticipation of this launch, FamilyMart conducted a survey in January 2025 with around 2,000 Gokuzan Kurobuta Bun customers. The results revealed that teriyaki flavor ranked as the second most desired taste, further solidifying FamilyMart’s commitment to meeting their customers’ cravings.
Product Details
- - Product Name: Gokuzan Kurobuta Teriyaki Bun
- - Price: 223 yen (240 yen including tax)
- - Release Date: November 25, 2025
- - Availability: Nationwide at approximately 16,400 FamilyMart stores.
- - Contents: Each bun features teriyaki sauce made with 100% Awaji onions at its center, showcasing the deliciousness of both the black pork and teriyaki flavors in a triple-layered format (dough, black pork & onions, teriyaki sauce).
- - Limited Quantity: Please note that supplies may be limited, so be sure to get yours early.
FamilyMart continues to strive toward becoming an essential part of the community under the motto, 'You and, Convenience, FamilyMart', as it nurtures relationships with customers like family and seeks to provide an invaluable place beyond mere convenience.
Images are for illustrative purposes only. This item may not be available at all locations.
Topics Consumer Products & Retail）
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