This crispy baked pasta dish is a delicious combination of mushrooms, sausage, and a creamy Parmesan sauce. The pasta is cooked until al dente, then tossed with saut茅ed mushrooms and cooked sausage. The Parmesan cream sauce is made by combining butter, flour, milk, and Parmesan cheese, and is poured over the pasta mixture. The dish is then baked until golden and crispy on top. The result is a comforting and flavorful meal that is perfect for a cozy dinner.