Pumpkin Carbonara

Name: Pumpkin Carbonara
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Cuisine: Italian
Ingredients: 1 pound long pasta, such as Spaghetti Chitarra; 1 cup canned pumpkin puree; 1 cup low sodium chicken broth; 1 large egg; 1 egg yolk; 3/4 cup freshly grated Pecorino Romano cheese; 1/4 teaspoon ground nutmeg; 1/2 teaspoon freshly ground black pepper, (plus more for serving); 2 tablespoons olive oil; 4 ounces pancetta, (diced); 2 garlic cloves, (smashed and peeled); 1/2 onion (thinly sliced); 1/2 teaspoon kosher salt; 1 cup freshly grated Parmigiano Reggiano cheese, (plus more for serving); 3 tablespoons chopped Italian parsley, (optional)