01 -
1 pound penne or rigatoni pasta.
02 -
2 tablespoons olive oil.
03 -
1 medium onion, finely chopped.
04 -
4-5 cloves garlic, minced.
05 -
1 teaspoon fresh rosemary, finely chopped.
06 -
1/4-1/2 teaspoon crushed red pepper flakes.
07 -
1 (15-ounce) can pumpkin puree.
08 -
1 cup vegetable or chicken broth.
09 -
1/2 cup heavy cream.
10 -
1/2 teaspoon ground nutmeg.
11 -
1/2 teaspoon salt.
12 -
1/4 teaspoon black pepper.
13 -
1/2 cup freshly grated Parmesan cheese.
14 -
2 cups baby spinach leaves (optional).