Butter Butler will launch its seasonal Sweet Potato Financiers in Japan on October 10, 2026. The pastries combine New Zealand milk butter with organic Anno sweet potatoes from the Goto Islands in Nagasaki.
Available at Butter Butler stores in Tokyo, Saitama, Fukuoka and selected transport hubs, the seasonal product will be sold while supplies last. Store availability may vary, so customers are advised to check with each location before visiting.
The Sweet Potato Financiers cost ¥1,296 (tax included) for four. A seasonal Butler Selection gift box containing three varieties is also available in a 22-piece box for ¥5,400 (tax included), while the regular Butter Financier starts at ¥1,080 for four.
About Butter Butler
Sweet Potato Financiers
Butter Butler’s seasonal Sweet Potato Financiers are sold in a four-piece box for ¥1,296 (tax included). The product is available at selected Butter Butler stores while supplies last.
Butter Butler’s 10th Anniversary
Butter Butler opened its first store at NEWoMan Shinjuku in 2016 and celebrates its 10th anniversary in 2026. The seasonal Sweet Potato Financiers are priced at ¥1,296 (tax included) for four.
Butler Selection (Sweet Potato)
This 22-piece gift box includes seven Butter Financiers, eight Butter Galettes and seven Sweet Potato Financiers. It costs ¥5,400 (tax included).
Butter Financiers
Butter Butler’s popular Butter Financiers feature a crisp exterior and a moist center infused with maple syrup. Prices range from ¥1,080 (tax included) for four to ¥3,240 (tax included) for 12.
Butter Galettes
Made with French fermented butter and Guerande salt, the traditional French-style Butter Galettes have a crisp, crumbly texture. A nine-piece box costs ¥972 (tax included).
Butler Selection 10th Anniversary Package
The 16-piece anniversary package contains eight Butter Financiers and eight Butter Galettes. It is presented in special packaging and costs ¥3,240 (tax included).
Butter Butler is a baked-sweets brand built around carefully selected butter from around the world. The new financiers can be gently warmed before eating, which brings out the butter’s aroma and the sweet potato’s rich flavor.
Highlights
- Sweet Potato Financiers use New Zealand milk butter and organic Anno sweet potatoes from Nagasaki’s Goto Islands.
- The four-piece seasonal box costs ¥1,296 (tax included).
- Butler Selection combines Butter Financiers, Butter Galettes and Sweet Potato Financiers in a 22-piece box for ¥5,400 (tax included).
- Butter Financiers won first place in the praised-gift category of the 2026 NEWoMan Shinjuku gourmet popularity poll.
- Sales are available at permanent Butter Butler stores and selected event locations while supplies last.
Product & Availability
| Item | Details |
|---|---|
| Name | Butter Butler Sweet Potato Financiers |
| Menu / items | Sweet Potato Financiers; Butter Financiers; Butter Galettes; Butler Selection (Sweet Potato); Butler Selection 10th Anniversary package |
| Release date | October 10, 2026 |
| Period | From October 10, 2026, until sold out |
| Location | Butter Butler stores in Tokyo, Saitama and Fukuoka, plus selected event locations |
| Stores | NEWoMan Shinjuku; Lumine Shinjuku; Ecute Edition Shibuya; Tokyo Gift Palette; Ecute Omiya; Fukuoka Airport International Terminal; Haneda Airport Terminal 2 Smile Tokyo; EXPASA Ebina outbound and other event locations |
| Address | NEWoMan Shinjuku, Shinjuku, Tokyo Lumine Shinjuku, Shinjuku, Tokyo Ecute Edition Shibuya, Shibuya, Tokyo Tokyo Gift Palette, Tokyo Ecute Omiya, Saitama Fukuoka Airport International Terminal, Fukuoka |
| Price | Sweet Potato Financiers, four: ¥1,296 (tax included); Butler Selection (Sweet Potato), 22 pieces: ¥5,400 (tax included); Butter Financiers, four: ¥1,080 (tax included), six: ¥1,620 (tax included), eight: ¥2,160 (tax included), 12: ¥3,240 (tax included); Butter Galettes, nine: ¥972 (tax included); Butler Selection 10th Anniversary package, 16 pieces: ¥3,240 (tax included) |
| Official website | Butter Butler official website |
Before you buy
- When can I buy Butter Butler Sweet Potato Financiers?
- Sales begin on October 10, 2026. The seasonal product will be available until sold out.
- Where can I get the Sweet Potato Financiers?
- They are sold at Butter Butler’s permanent stores and selected event locations, including stores in Shinjuku, Shibuya, Tokyo Station, Omiya and Fukuoka Airport.
- How much are the Sweet Potato Financiers?
- A four-piece box costs ¥1,296 (tax included).
