Butternut Squash and Sage Soup without caramel refried flour

8 ounces whole-wheat penne 1 tablespoon olive oil 8 sage leaves 1 medium red onion, thinly sliced 2 garlic cloves, finely chopped 1 medium butternut squash[...]

1 2-pound butternut squash, peeled, seeded, cut into 1/2" cubes (about 4 cups) 3 1/2 tablespoons extra-virgin olive oil, divided, plus more for drizzling 1[...]

1 sheet of frozen puff pastry, thawed (from a 17.3-ounce package) 1 large egg beaten with 1 teaspoon water 12 1/8"-thick rounds peeled butternut squash kosher[...]