The soup stock is made with plenty of true kelp imported from Rishiri Island, Hokkaido, and is simmered over a low heat for over 5 hours. It's a luxurious way of serving Japanese restaurants in Osaka that hasn't changed since the days when it was transported to the "nation's kitchen" by Kitamaebune.
Add bonito flakes freshly ground in the morning to the first dashi stock to create a sweet and clear soup. For simmered dishes, we prepare soup stock that brings out the deliciousness of ingredients such as chicken and dried shiitake mushrooms.