Preheat the oven to 450 degrees F and line a baking sheet tray with foil.
In a large bowl, add butternut squash coat with olive oil, salt and black pepper, mix until combined. Place on baking sheet roast for 10 minutes, flip for additional 10 minutes. Remove from heat.
In a pot on medium to high heat, add sausages, break into pieces, cook until browned, move to edges of pan.
Add butter, once melted, add leeks, carrots, celery, cook for 4 minutes, add garlic, thyme, sage, and cook until fragrant.
Add chicken broth, bring to a simmer, until vegetables have softened.
Add the spinach, roasted Butternut Squash, cooked pasta, Parmesan cheese and heavy cream and heat, until spinach has wilted. Remove from heat and top with parmesan cheese ready to serve.