Buckwheat cereal with mushrooms and onions is a hearty and nutritious dish that is perfect for breakfast or as a side dish. The nutty flavor of the buckwheat pairs well with the earthy mushrooms and sweet onions. This dish is packed with fiber, protein, and vitamins, making it a healthy choice. It is also easy to make and can be customized with your favorite herbs and spices. Serve it hot and enjoy the comforting flavors and textures of this delicious cereal.