01 -
1 pound mild Italian sausage.
02 -
1 medium yellow onion, chopped.
03 -
6 garlic cloves, minced.
04 -
1 quart chicken stock.
05 -
14 ounces crushed tomatoes.
06 -
2 tablespoons tomato paste.
07 -
1 teaspoon sea salt.
08 -
1 bunch curly kale, torn.
09 -
10 ounces fresh tortellini.
10 -
1 cup heavy cream.
11 -
Parmesan cheese for serving.
12 -
ΒΌ teaspoon red pepper flakes.