It is bamboo-skewered sake-manju (with or without bean paste) which is roasted by basting it with sweet miso paste like dengaku dish (simmered miso paste on food).
酒饅頭（餡入りと餡無しがある）を竹串に刺し、甘い味噌だれを塗りながら田楽(料理)のように焼いたもの。