Winter Squash Carbonara with Broccoli Rabe

Name: Winter Squash Carbonara with Broccoli Rabe
Ingredients: 4 Cups cubed butternut squash or pumpkin; 2 Tablespoons olive oil, plus more for drizzling; 1/4 Teaspoon nutmeg; Salt and pepper, to taste; 1 Large bunch broccoli rabe, ends trimmed; 1 Bunch fresh sage; 1 Pound long cut pasta such as bucatini or spaghetti; 4 Ounces pancetta or bacon, diced; 2 Cloves garlic, minced or grated; 3 Eggs; 1 Cup freshly grated Parmigiano-Reggiano cheese, plus more for serving; Pinch of crushed red pepper flakes; 1/2 Cup fresh parsley, chopped