In a large pot over medium high heat add the sausage. Cook and crumble until brown, remove and set aside on a plate. Add the carrots and onion and sauté until tender. Add in garlic and Italian seasoning and sauté for a minute more.
Add in the flour to the vegetables and sausage and pour in chicken broth. Add in the tomato paste and stir. Add in heavy cream and tortellini and bring to a simmer for about 7 minutes until tortellini is cooked. Add in the kale right before serving and salt and pepper to taste.