Saute sausage in olive oil in a large soup pot. Remove once browned.
In the same pot, add a dash more oil, and saute onions, celery, and carrots with the tomato bouillon
Add italian seasonings and garlic last to not burn
Add tomato paste and stir in letting it cook with the garlic for a few seconds
Add the chicken stock and bring to a boil.
When the carrots are tender add torellini.
Let the tortellini cook as directed on the packaging. Optional: add a splash of heavy cream to create a silkier broth
Add spinach close to the end of the tortellini's cooking time
Serve with a sprinkle of cheese on top of the soup.