Limited Edition 'Yuki Keshou Castella' Unveils at Tsunan Brewery Sunflower Festival 2025
On August 1, 2025, Tsunan Brewery, a renowned sake producer based in Tsunan Town, Niigata Prefecture, launched a limited edition product called 'Yuki Keshou Castella' at the annual Tsunan Brewery Sunflower Festival. This special event runs from August 1 to August 24, 2025, coinciding with the blooming season of sunflowers, offering a unique opportunity for visitors to enjoy local flavors.
About 'Yuki Keshou Castella'
The 'Yuki Keshou Castella' is crafted using sake lees and Japanese sake from Tsunan Brewery, showcasing the region's rich fermentation culture in a delightful sweet form. This cake presents a luxurious and refined flavor profile, featuring moist texture complemented by subtle hints of white chocolate. The exquisite taste is packaged in a special design that celebrates the sunflower bloom, making it a perfect summer treat.
The limited-edition cake is available only for a short period and will be sold out upon reaching the set quantity. This is an excellent chance for festival-goers to taste a delightful representation of Tsunan's summer traditions.
Product Details
- - Product Name: Yuki Keshou Castella (Baked Confection)
- - Ingredients: Rice flour (from Hokkaido), chicken eggs (from Hokkaido), butter (from Hokkaido), powdered sugar, Tsunan Brewery sake lees, white chocolate, Tsunan brewery Japanese sake, baking powder, salt (contains eggs, dairy, and soy)
- - Net Weight: 1 piece
- - Nutritional Information (per piece, estimated):
- Calories: 248.4 kcal
- Protein: 3.68 g
- Fat: 11.69 g
- Carbohydrates: 31.85 g
- Sodium equivalent: 0.24 g
- - Price: 550 yen (including tax)
- - Sales Location: Tsunan Brewery, 7141 Akinaru, Tsunan Town, Niigata Prefecture, 949-8201
The cake is produced by Les Richesses, located in the Kiyota district of Hokkaido, while distribution is managed by Sustainable Y Technologies based in Minato, Tokyo.
Innovation at Sustainable Food Lab
Developed in Tokyo's Toranomon area at Sustainable Food Lab, this delicious creation is part of the 'Foodα Project,' which embodies an initiative to envision the city's future food landscape through collaborations with chosen startups and companies offering sustainable food innovations. For more information on the Foodα Project, visit
their official website.
About Tsunan Brewery
Nestled in a region famous for its heavy snowfall, Tsunan Brewery produces Japanese sake, incorporating locally grown rice varieties such as 'Gohyakumangoku' and 'Uonuma Koshihikari.' Their craftsmanship combines sustainable practices with innovative techniques, earning them the prestigious Niigata Governor Award (1st place) at the
Echigo-style Sake Brewing Technical Championship in 2025.
You can learn more about Tsunan Brewery by visiting
their official website.