Preheat the oven to 425°F and line a baking sheet with parchment paper.
Drizzle the squash with olive oil, sprinkle with salt and roast until cooked, approx. 20 min or until squash is soft.
While the butternut squash is roasting, soak the sunflower seeds in water for 10 minutes. Once done, blend until smooth.
Bring 5 litres of water to a boil(salted to taste), add pasta and return to a boil. Cook for about 15 min or until pasta is cooked to your liking, drain.
Add 2 tbsp of olive oil into a dutch oven or large saucepan, sauté onion till translucent about 5 min, then add garlic and sauté for an additional 2 min.
Add salt, nutmeg, and coconut sugar, and stir until combined. Add the sunflower mix and combine. Add sage and kale and cook on simmer for a few minutes.
Add the cooked pasta, and butternut squash and gently stir till combined. Add the nutritional yeast and serve! Salt to taste or serve with parmesan.