Crockpot Tortellini Soup

INGREDIENTS

1 tbsp

extra-virgin olive oil

1 lb

ground Italian turkey sausage (look for it sold ground in a package, or you can also squeeze it from the casings if links are your only option)

large yellow onion (chopped (about 2 cups))

large fennel bulb (chopped (about 2 cups))

3/4 tsp

kosher salt

1/2 tsp

freshly ground black pepper

2 tbsp

unsalted tomato paste (I like to buy the kind in the tube so I can use it for several recipes over time)

3 cloves

garlic (minced (about 1 tablespoon))

large carrots (chopped (about 1 1/2 cups))

6 cups

low-sodium chicken broth (plus additional as needed)

1 15 ounce can

fire roasted diced tomatoes in their juices

2 tsp

Italian seasoning

4 cups

chopped stemmed curly or dinosaur kale (about half of an 8- to 10-ounce bunch)

1 9 ounce package

Buitoni 3-Cheese Tortellini

1 tbsp

red wine vinegar

1/4 cup

finely grated Parmesan cheese

Chopped fresh parsley