Miso Cod with Buttered Mushrooms is a delicious and flavorful dish that combines the delicate sweetness of miso-marinated cod with the earthy richness of buttered mushrooms. The cod is marinated in a mixture of miso paste, soy sauce, and mirin, which infuses it with a savory umami flavor. The buttered mushrooms add a luxurious and buttery texture to the dish, complementing the tender and flaky cod. This recipe is perfect for a special dinner or a weeknight meal that is both easy to prepare and impressive to serve.