Kombu Onigiri (simmered Kelp “tsukudani” Rice Ball) sudachirecipes.com How to make delicious Kombu Tsukudani Onigiri. Japanese kelp simmered in soy sauce, mirin and sugar than wrapped in perfectly cooked sticky white rice. submitted by sudachirecipes easy japanese japanese vegan lunch lunch box treat rice rice dish snacks Entry Permalink Report Post