Bring a large pot to boil with salted water. Boil the spaghetti as instructed on the package. Keep ½ cup of pasta water.
Meanwhile, on medium heat, add the olive oil to a large pan. Then add the sausage and cook for 1 minute by stirring occasionally (It’s ok if they break).
Now add zucchini, onion, and garlic and cook, stirring all together. Cook until the zucchini is soft. About 2 minutes.
Add pasta, parsley, salt, pepper, and oil. Stir together.
Sprinkle with Parmesan cheese and add the pasta water. Stir to get a creamy sauce.
Sprinkle it with pine nuts and serve.
