Japanese manju is a traditional sweet treat made from flour, rice powder, and water, often filled with sweetened red bean paste. It comes in various shapes and sizes, typically steamed or boiled, and can also be baked. Manju is popular during festivals and special occasions in Japan. The filling of manju can vary, with options including chestnut, sweet potato, or even fruit. Some modern variations incorporate different flavors and ingredients, appealing to a wider audience. Manju is enjoyed as a snack or dessert and is often paired with green tea for a delightful experience.