Tsunan Sake Brewery Co., Ltd. (Head Office: Tsunan Town, Nakauonuma District, Niigata Prefecture; President: Kengo Suzuki, hereinafter “Tsunan Sake Brewery”) has begun selling its new product, Yukigesho Castella, in limited quantities at the venue of “Tsunan Sake Brewery Sunflower Festival 2025,” which has been held since Friday, August 1, 2025.
Yukigesho Castella is a confection that embodies the charm of fermentation culture, made with Tsunan Sake Brewery’s sake lees and sake. This elegant treat offers a luxurious and refined flavor, with rich aroma, moist texture, and a gentle hint of white chocolate. It is also presented in special packaging inspired by the blooming sunflower season.
This product will only be available during the festival period (August 1–24) while supplies last. We look forward to welcoming visitors to enjoy the flavors of summer in Tsunan, a seasonal tradition brought to life in a sweet form.
[Product Information]
- Product Name: Yukigesho Castella (Baked Confectionery)
- Ingredients: Rice flour (Hokkaido), eggs (Hokkaido), butter (Hokkaido), powdered sugar, Tsunan Sake Brewery sake lees, white chocolate, Tsunan Sake Brewery sake, baking powder, salt (Contains egg, dairy, soy)
- Net Weight: 1 piece
- Nutrition Facts (per package, estimated):
Energy 248.4 kcal, Protein 3.68 g, Fat 11.69 g, Carbohydrates 31.85 g, Salt equivalent 0.24 g - Price: 550 yen (tax included)
- Sales Location: Tsunan Sake Brewery (7141 Akinari, Tsunan-machi, Nakauonuma-gun, Niigata 949-8201, Japan)
- Manufacturer: Les Richesses Co., Ltd. (Hiraoka Koen Higashi 5-1-1, Kiyota-ku, Sapporo, Hokkaido)
- Distributor: Sustainable Y Technologies Co., Ltd. (Sustainable Food Lab 1F, 1-20-10 Nishi-Shimbashi, Minato-ku, Tokyo)
This cake was developed at the “Sustainable Food Lab” in the Toranomon area of Nishi-Shimbashi, Minato-ku, Tokyo. The facility is one of the hubs of the Food α Project, a city-building initiative for the “future of food” led by the Urban Renaissance Agency (UR) and partners, serving as a launchpad for innovative sustainable food products by carefully selected startups and companies.
Food α Project website: https://fooda.tokyo/
About Tsunan Sake Brewery
Tsunan Sake Brewery Co., Ltd. is a sake brewery located in Tsunan Town, Nakauonuma District, Niigata Prefecture, one of Japan’s most renowned heavy snowfall areas. The brewery is known for its sake-making that blends harmony with nature and innovation, using locally grown sake rice such as Gohyakumangoku and Uonuma-grown Koshihikari. In 2025, it won first place and the Niigata Governor’s Award at the Echigo-ryu Sake Brewing Technology Championship, a competition recognizing excellence in brewing techniques.Website: https://tsunan-sake.com/
