Preheat oven to 400F
Add butternut squash and garlic to a 9x16" baking dish
Drizzle with olive oil and season with salt and pepper
Toss to coat
Add block of feta in the middle and flip to coat the other side with oil
Sprinkle thyme over the top
Bake for 40 minutes or until the butternut squash is fork tender
Cook pasta according to package directions and reserve pasta water
If adding kale and chicken sausage: bring a large pan to medium heat, add chicken sausage and crumble with a spatula until almost cooked through, then add kale and let it wilt down
Let the butternut squash and feta cool for a few minutes
Add butternut squash, feta, and 1.5-2 cups reserved pasta water to a high speed blender
Blend until smooth
Add the sauce back to the baking dish along with cooked pasta, kale, and sausage
Toss until combined and serve
