Basically, a wide variety of fillings can be contained in the manju, and manju baked on an iron-cast pan such as Momiji manju has many varieties in particular because it is easy to stuff manju with filling.
基本的に様々な種類の餡を中に詰め込んで作ることはできるが、もみじ饅頭など鉄板で焼くものについては手軽に中身を入れられることから特に種類が多い。