This is one of those recipes where you can alter quantities and ingredients and still end up with a delicious soup. Feel free to add more chicken stock and tomatoes to feed a larger crowd.
Brown 1 pound Italian sausage.
Add about 1/4 cup olive oil and saute an onion and several cloves of garlic.
Add chopped a few tablespoons fresh basil and Italian seasoning.
Add a can or two of diced fire-roasted tomatoes.
Add several cans of chicken or beef stock and simmer.
In the last few minutes, add a bag of dried tortellini and boil for time indicated on bag.
Serve with fresh, grated parmesan cheese and toasted pine nuts if you'd like.