Heat butter and oil and cook sausage,mushrooms, onion, garlic, salt and pepper.
Add tomatoes and cook till wilted.
Add flour and cook 1 minute.
Add wine and bring to a simmer.
Stir in asparagus, zucchini noodles and half the basil and cook till tender.
Stir in cream, Parmesan, and simmer gently for a minute.
Serve in bowls and garnish with basil.
While the zucchini is the "pasta" this would still be good served over rice or pasta.