Fall 2025 Limited Edition! Sweet Potato ＆ Chestnut Treats in Japan
Autumn in Japan is the season of sweet potatoes and chestnuts—and they don’t just show up on dinner tables. Every fall, supermarkets and convenience stores are filled with limited-edition sweets featuring these two beloved flavors, complete with seasonal packaging. Perfect as a quick snack, a souvenir, or just to enjoy the cozy autumn vibes!
🍠🌰10 Sweet Potato & Chestnut Treats
1．Lotte Choco Pie – Mitsuimo Butter Tart (single pack)
Source：https://prtimes.jp/main/html/rd/p/000002494.000002360.html
A moist sponge cake wrapped in chocolate, with the rich flavor of honeyed sweet potato and a gentle hint of butter. It’s like enjoying a decadent tart in the form of a Choco Pie.
2．Lotte Choco Pie – Japanese Chestnut Mont Blanc (single pack)
Source：https://prtimes.jp/main/html/rd/p/000002494.000002360.html
A soft cake coated in white chocolate, filled with Japanese chestnut cream and sponge, plus caramel sauce. The result is an indulgent Mont Blanc experience in a bite-sized treat.
3．Lotte Premium Ghana Mont Blanc Chocolat
Source：https://prtimes.jp/main/html/rd/p/000002494.000002360.html
Whipped chocolate covered in rich Ghana milk chocolate. Made with chestnuts from Kumamoto and fresh cream from Hokkaido, this premium piece delivers a nutty, creamy flavor that feels like autumn itself.
4．Fujiya Look (Mitsuimo & Japanese Chestnut)
Source：https://prtimes.jp/main/html/rd/p/000000307.000097396.html
This assorted chocolate box lets you enjoy two classic autumn flavors—honey sweet potato and Japanese chestnut. With 12 pieces inside, it’s an easy way to savor the season.
Honey Sweet Potato: Made with sauce and cream from “Beni Tenshi” sweet potatoes grown in Ibaraki, wrapped in milk chocolate.
Japanese Chestnut: Cream filled with Japanese chestnut paste, also wrapped in milk chocolate.
5．Fujiya Country Ma’am (Aged Mitsuimo)
Source：https://prtimes.jp/main/html/rd/p/000000307.000097396.html
Soft-baked cookies with “Beni Tenshi” sweet potato paste and white chocolate chips. Sweet, rich, and fragrant—like a warm cookie fresh from the oven.
6．Yamazaki Biscuit Picola – Mitsuimo Flavor
Source：https://www.yamazaki-biscuits.co.jp/newproducts_nb/
Striped rolled cookies filled with cream made from Tanegashima’s Annou sweet potatoes. A playful look and a sweet, fragrant taste.
7．Bourbon Alfort Mini Chocolates – Japanese Chestnut Mont Blanc
Source：https://www.bourbon.co.jp/
Chocolate generously blended with chestnut powder from Kumamoto is paired with a fragrant whole-grain biscuit, creating a Mont Blanc–inspired treat with refined chestnut sweetness and aroma.
Source：https://www.bourbon.co.jp/
They’re also available in individually wrapped bag packs, perfect for a quick snack while traveling or as a small souvenir.
(Boxed versions are sold at convenience stores.)
8．Morinaga Koeda – Rich Mont Blanc
Source：https://www.morinaga.co.jp/
These stick-shaped chocolates are blended with Italian chestnut powder and a hint of roasted chestnut aroma, creating a rich Mont Blanc flavor. Crisp in texture with a deep nutty taste, they’re a true autumn delight.
Source：https://www.morinaga.co.jp/
A family-size bag with 19 individually wrapped portions is also available, making it a great souvenir option.
9．森永 和栗ケーキ
Source：https://www.morinaga.co.jp/
A semi-soft cake coated in chocolate, with moist sponge layers sandwiching cream made from Japanese chestnut paste. It offers a gentle sweetness and a nutty chestnut flavor.
Individually wrapped for convenience, it’s perfect for autumn tea time or as a snack on your travels.
10．UHA Mikakutou Osatsu Doki
Source：https://www.uha-mikakuto.co.jp/index.html
Thinly sliced sweet potatoes fried to a crisp, these chips highlight the natural sweetness and aroma of the ingredient itself. With just the right thickness, they’re both crunchy and fluffy.
Note: This product is available year-round.
🛒 Where to Find Them
You can find these treats at convenience stores, supermarkets, and drugstores across Japan. Since they’re sold in everyday spots, it’s easy to pick them up during your sightseeing breaks.
※Some stores may not carry this item.
※As these are seasonal items, some may already be sold out
Create Memories with Limited-Edition Autumn Sweets
Sweet potato and chestnut treats are autumn-only delights you’ll only find in Japan. If you spot them, don’t miss the chance to try them! Discovering these seasonal flavors is a delicious way to add more color to your travel memories.