01 - In a large pot over medium heat, sauté the onion, carrots, and celery until softened, about 5 minutes.
02 - Stir in the zucchini, cannellini beans, vegetable broth, diced tomatoes with juices, and Italian seasoning. Bring the mixture to a gentle boil, then reduce heat and simmer for 20 minutes.
03 - Add small pasta to the soup and continue cooking until the pasta is tender, about 8-10 minutes. Stir occasionally and season with salt and pepper to taste before serving.