Odaiba Sazae-san Teahouse "Sazae-san-yaki" delicious! They also have "Nampei Yaki" and "Tama Yaki"!
I actually tried the adorable oobanyaki "Sazae-san-yaki" sold at the Sazae-san Tea House on the first floor of Fuji Television's headquarters building in Odaiba!