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Sweet Potato Lab by COCORON
A Sweet Potato Lover’s Paradise 🍠 — enjoy a cozy world of simple and heartwarming sweet potato treats!
In Izumisano, just minutes from Kansai Airport, the story begins with the authentic, comforting sweet potato treats once handmade by the owner’s grandmother in Kōchi Prefecture on Shikoku Island — the inspiration behind Sweet Potato Lab by COCORON. Driven by the wish of owner Mr. Okuno — “I want as many people as possible to enjoy my favorite sweet potato treats” — every item on the menu is filled with this passion.
The signature dish, Oimo Ice (a sweet potato dessert bowl), is an exquisite creation combining fluffy sweet potato donuts, silky Nama Sweet Potato (fresh sweet potato cake), and “Ice Cream Rin” — a nostalgic local ice cream loved for generations in Kōchi. Truly a must-try for any sweet potato enthusiast.
The Nama Sweet Potato, perfected after many trials in collaboration with popular local patissier Gâteau Poirier, and the beloved sweet potato donuts, which keep customers coming back for more, offer nostalgic, comforting flavors that will warm your heart. 🍠
We invite you to indulge in these artisanal sweet potato creations during your visit.
📌 Basic Information
📍 Sweet Potato Lab by COCORON
📍 さつまいも研究所 by COCORON
| 📅 Reservation | Phone only |
| 📞 Phone | 050-8881-6414 （Japanese Only） |
| 🏠 Address | 13-1 Ōmiya-chō, Izumisano City |
| 🚉 Access | Approx. 4-minute walk from Nankai Main Line Izumisano Station |
| 🚗 Parking | Available (Complimentary parking available for four vehicles in front of the shop) |
| 🕒 Business Hours | 11:00–17:00 |
| ❌ Days Closed | Sundays |
| 💴 Average Budget | Approx. ¥1,000 per person |
| 💳 Payment Methods | ✔ Cash (Japanese yen) ✔ Credit cards accepted (VISA, Master, JCB, AMEX, Diners Club, DISCOVER) ✔ QR code payment accepted (PayPay, au PAY, Alipay, d-Barai, Merpay, LINE Pay) ✔ E-money accepted (iD, Apple Pay, QUICPay, Suica, PASMO, TOICA, manaca, ICOCA, SUGOCA, nimoca) |
📌 Note: Prices include tax. Information may change, so please contact the restaurant before visiting.
🔗 Official Website:
🌐 Social Media:
ℹ️ Detailed Information (Seating & Facilities)
A small lab exploring the future of sweet potatoes.
Takeout available. Eat-in space with 5 seats.
Inside the shop, you’ll also find a photo booth by the store’s signboard — perfect for snapping a picture with your sweet potato treats. 📸
⭐ Highlights (Menu & Services)
🔶 Oimo Ice (a sweet potato dessert bowl) (¥1,200)
The signature dish! A sweet potato paradise in a bowl, featuring Kōchi’s famous Ice Cream Rin, sweet potato donuts, and Nama Sweet Potato (fresh sweet potato cake). 🍠🍨
Top it off with homemade sauce — like strawberry — for a delightful twist in flavor. 🍓
🔶 Nama Sweet Potato (fresh sweet potato cake) (Plain ¥400 / Matcha or Lemon ¥450)
A one-of-a-kind dessert perfected through repeated trials with popular local patissier Gâteau Poirier. ✨
The crisp texture of the cookie base adds the perfect accent to the smooth, velvety sweet potato filling — simply delightful.
🔶 Sweet Potato Donut (¥280 each)
A ball of sweet, rich Beni Haruka sweet potato filling wrapped in fluffy donut dough. Perfect as a snack for kids or a thoughtful gift. 🎁
🔶 Sweet Potato Chips (Oimo Senbei) (Salt or Plain ¥500 / Ginger ¥550)
Thinly sliced, aged Beni Haruka sweet potatoes, slowly fried at a low temperature for a light, crisp texture that’s irresistibly tasty.
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