Slow Cooker Tomato Tortellini Soup - seriously delicious! Everyone LOVED this no-fuss soup recipe. Just dump everything in the slow cooker and let it work its magic. Serve soup with some crusty bread for an easy weeknight meal the whole family will enjoy! Chicken broth, tomato soup, diced tomatoes, Italian sausage, chive and onion cream cheese and cheese tortellini combine to make THE BEST tomato soup EVER!