In a 4-quart Dutch oven, combine the pasta and seasoning mix from the Hamburger Helper box, chicken stock, water, and diced carrots.
Bring to a boil over medium-high heat. Reduce the heat, cover, and simmer for approximately 15 minutes, stirring occasionally.
Add the Great Northern beans, diced tomatoes with their juices, and zucchini. Stir to combine.
If using cooked Italian sausage, add it now.
Cover and continue simmering for approximately 5–10 minutes, or until the pasta and vegetables are tender. Add a little extra stock or water if the soup becomes too thick.
Ladle into bowls and finish with Parmesan cheese and basil.
Sprinkle with red pepper flakes if you like a little heat.