For the skillet
01 -
1 tablespoon olive oil
02 -
1 lb (450 g) mild or hot Italian sausage, casings removed if needed
03 -
1 small yellow onion, finely chopped
04 -
4 cloves garlic, minced
05 -
1 teaspoon Italian seasoning
06 -
1/4 teaspoon crushed red pepper flakes, optional
07 -
2 tablespoons tomato paste
08 -
1 can (14.5 oz / 411 g) crushed tomatoes
09 -
1 cup (240 ml) low-sodium chicken broth
10 -
20 oz (565 g) refrigerated cheese tortellini
11 -
1/2 cup (120 ml) heavy cream
12 -
4 cups (120 g) baby spinach, loosely packed
13 -
1/2 cup (50 g) finely grated parmesan cheese, plus more for serving
14 -
Salt and black pepper, to taste
15 -
Fresh basil or parsley, for serving, optional