The riceball is a vegetarian dish made with a mixture of kidney beans, edamame, soy mince, vegetables, and button mushrooms, all wrapped in a chewy and nutritious rice ball. It is a convenient and tasty meal option that uses a variety of grains. The savory-sweet soy mince adds a unique flavor that complements the crunchy texture of the vegetables. Overall, the riceball is a healthy and satisfying option that is perfect for those looking for a quick and guilt-free treat.