Pasta with spicy and creamy pumpkin sauce

Pasta and macaroni Italian cuisine

1 lb Bow tie pasta (farfalle) or fusilli 2 sticks Unsalted butter 3 to 4 cloves Fresh garlic, peeled 1/2 cup Canned pumpkin (pumpkin puree) 1 tablespoon Crushed red pepper flakes 1/4 teaspoon Ground nutmeg Black pepper, to taste 1 1/2 cups Parmesan cheese 1/2 cup Hot pasta water Salt, to taste 1/2 cup plus more for garnish Fresh basil