if you're cooking the tortellini separately bring a large pot of salted water to a boil
meanwhile, heat the oil in a large heavy bottom dutch or french oven
chop the onion and add it to the oil
clean the pepper, chop and add it to the pot
chop the celery and stir it in the pan as well
cook and stir for 2-3 minutes more
add the garlic and cook for another 30 seconds or so
pour in the broth, and tomatoes, stir to combine
add the Italian seasonings, bay leaf, and sugar, and stir to combine
bring the soup just to a boil, reduce the heat and simmer 10 minutes
if you're cooking the tortellini separately get them cooked in the pot you started, drain and rinse in cold water when they're finished cooking
meanwhile, wash and clean the kale, pull the stems out and chop the leaves
after 10 minutes add the kale to the soup
add the tortellini as soon as it's done as well
reduce the heat on the soup to low
once it's no longer close to a boil slowly add the cream and stir to combine
taste and add salt and pepper to taste
serve at once