Italian Sausage Orzo Soup

INGREDIENTS

2 tbsp

extra-virgin olive oil

3/4 lb

Italian sausage links, casings removed

1/2

red onion, finely chopped

4 cloves

garlic, minced

ribs celery, finely chopped

1 cup

orzo pasta

3 cups

low-sodium chicken broth

3 cups

water

2 15 ounce cans

diced tomatoes

1 tbsp

Italian seasoning

1 tbsp

oregano

1/2 tsp

ground fennel, optional

1/4 tsp

red pepper flakes

kosher salt and freshly ground pepper,

1 cup

parmesan cheese, grated