Directions

1. Boil the macaroni for the specified time. Cut the mushrooms into bite-sized pieces.
2. Put half the butter in a large skillet and sauté the mushrooms over medium heat. Once the mushrooms are cooked through, sprinkle in the flour and stir-fry.
3. Add the miso and milk, and stir with a spatula until the mixture is smooth.
4. Add the cooked macaroni, half the cheese, and the remaining butter, and mix well.
5. Transfer the mixture to a buttered gratin dish, sprinkle with the remaining cheese and breadcrumbs, and bake in an oven preheated to 350℉ for 20–25 minutes.