Roasted Kale and Butternut Squash Pasta

Name: Roasted Kale and Butternut Squash Pasta
Ingredients: 1 small butternut squash ( 1 1/2 to 2 pounds ), peeled, seeded, and cut into 1/2-inch cubes; 5 tablespoons olive oil , divided; 1/2 teaspoon kosher salt , divided, plus more for the pasta water; 1/4 teaspoon freshly ground black pepper , divided; 1 bunch lacinato kale (about 8 ounces ), stems removed and cut into 1-inch pieces; 12 ounces dry penne pasta; 1 tablespoon unsalted butter; Zest from 1 lemon; 1 ounce goat cheese , crumbled