Japan’s major convenience store chain “FamilyMart” has announced the second installment of its collaboration project with “Teletama,” a TV station based in Saitama Prefecture. This project offers special gourmet products available only in the region.Starting Tuesday, January 13, 2026, three jointly developed products will be sold exclusively at FamilyMart stores in the Kanto region.
This collaboration was realized following the tremendous popularity of the previous project. By combining the strengths of deeply rooted local station Teletama and FamilyMart, customers can easily enjoy “local flavors” packed with the appeal of Saitama Prefecture’s food culture.
These products are not mere re-releases. They build upon the popular items from last time with further flavor enhancements. They also actively utilize ingredients sourced from Saitama Prefecture, aiming to contribute to the revitalization of the local economy.
The lineup consists of three items: an onigiri featuring a rich sauce, authentic Musashino-style udon, and a beautiful sweet croissant. These products, overflowing with the charm of Saitama Prefecture, are worth trying not only for local residents but for anyone interested in Japanese culture.
A New Take on TKG (Tamago Kake Gohan): “Tamago Kake Gohan Style Onigiri”
First up is a product that reimagines the beloved Japanese staple “Tamago Kake Gohan” (TKG) in a new form. TKG is a simple yet immensely popular home-style dish: warm rice topped with a raw egg and soy sauce.
This “Tamago Kake Gohan Style Onigiri” expresses that flavor as an onigiri (a Japanese soul food rice ball). At its core lies a rich, deep-flavored egg yolk sauce. The rice, infused with umami-rich dashi soy sauce, blends perfectly with the sauce. With one bite, a creamy texture spreads throughout your mouth.
It offers a new sensation in taste, so much so that TV Saitama announcer Mai Tsukada raved, “Has it surpassed the original tamago kake gohan!?”
Product Name: Tamago Kake Gohan-Style Onigiri
Price: 181 yen (195 yen including tax)
Release Date: Tuesday, January 13, 2026
Sales Region: Saitama Prefecture, Tokyo, Chiba Prefecture, Kanagawa Prefecture (excluding some areas), Ibaraki Prefecture, Gunma Prefecture, Tochigi Prefecture
Taste Saitama’s Pride: “Musashino-style Udon with Fukaya Leek Dipping Sauce”
“Musashino Udon,” long cherished in Saitama Prefecture, is a regional soul food. FamilyMart has skillfully recreated its authentic taste.
The traditional way to eat “Musashino Udon” is to dip firm, cold noodles into a warm, richly flavored dipping sauce. This product faithfully follows that style.
The star ingredient is Fukaya Negi, a brand vegetable Saitama Prefecture is proud of. The sweetness of Fukaya Negi infuses the piping hot meat broth, creating a perfect balance with the soy sauce-flavored dipping sauce. It’s an authentic bowl that will satisfy even the most discerning udon lover.
Product Name: Musashino-style Meat Udon with Fukaya Negi Dipping Sauce (Made with Fukaya Negi from Saitama Prefecture)
Price: 599 yen(¥646 including tax)
Release Date: Tuesday, January 13, 2026
Sales Areas: Saitama Prefecture, Tokyo, Chiba Prefecture, Kanagawa Prefecture (excluding some areas), Ibaraki Prefecture, Gunma Prefecture, Tochigi Prefecture, Niigata Prefecture (some stores), Yamanashi Prefecture (some stores)
The Evolved Purple Sweet: “Sweet Potato Croissant”
The most popular croissant from our previous collaboration returns, now further evolved. “Oimo” means sweet potato in Japanese.
The defining feature of this product is its beautiful appearance. Dough kneaded with purple sweet potato powder creates a stunning marbled pattern.Combined with the Danish pastry dough, it offers a uniquely crisp yet chewy texture.
Inside the croissant is a generous filling of sweet paste made from “Tomi no Kawagoe Imo” sweet potatoes from Saitama Prefecture, known for their refined sweetness. “Tomi no Kawagoe Imo” are cultivated using traditional farming methods recognized as a Globally Important Agricultural Heritage System (GIAHS), giving them a naturally gentle sweetness that is truly exceptional.
Product Name: Sweet Potato Croissant (Featuring Fuminokawagoe Sweet Potato Paste from Saitama Prefecture)
Price: 144 yen (155 yen including tax)
Release Date: Tuesday, January 13, 2026
Sales Region: Saitama Prefecture, Tokyo, Kanagawa Prefecture, Chiba Prefecture
An Opportunity to Rediscover Saitama’s Charm
This collaboration product was born from the strong passion of FamilyMart and Teletama to revitalize the local community. The product packaging features Teletama’s adorable mascot character, “Teletama-kun,” adding extra fun to mealtime.
Whether you’re a fan from last time or discovering this project for the first time, don’t miss this chance. Experience the “now” of Saitama’s soul food at your nearest FamilyMart, and you’re sure to be impressed by its deliciousness.
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