Cappellacci di Zucca Butternut Squash Cappellacci

Name: Cappellacci di Zucca (Butternut Squash Cappellacci)
Ingredients: For the filling; 1 pound (500 grams) butternut squash; 1 tablespoon olive oil; 2 ounces (50 grams) grated Parmesan cheese; 1 egg yolk; 1 tablespoon dry breadcrumbs; 1 pinch nutmeg; 1 pinch salt and pepper, to taste; For the pasta and sauce; 2 1/2 cups (300 grams) type 00 flour; 2 whole eggs; 2 egg yolks; 1/3 cup (80 grams) butter; 1 bunch of sage; 1 handful grated Parmesan cheese