Kawahara never patented or trademarked his karashi mentaiko recipe and shared it freely with competitors, which is why Fukuoka now has well over a hundred mentaiko makers.
Salted pollock roe sacs are cured in a chili-and-seasoning marinade until firm and deep red, then sliced open and eaten raw over rice, folded into pasta, or grilled — sold whole by weight from Fukuoka's fish markets and food halls as the city's signature souvenir.
Takoyaki (Octopus Balls)
Yakitori (Skewered Chicken)
Sapporo Miso Ramen