This spinach and mushroom casserole is a healthy and flavorful vegetarian dish that can be prepared in no time. The combination of sautéed mushrooms, wilted spinach, and creamy cheese sauce creates a delicious and satisfying casserole. The mushrooms are cooked until golden and then combined with the spinach, which is quickly wilted in the same pan. The cheese sauce is made with a mixture of milk, flour, and grated cheese, and is seasoned with garlic and herbs for extra flavor. The casserole is then baked until the cheese is melted and bubbly, creating a comforting and nutritious meal.
