In a skillet over medium heat, brown the ground beef until fully cooked. Drain excess grease.
Add the cooked beef to the crockpot along with onion, carrots, and celery.
Pour in tomato sauce, chicken broth, beans, and diced tomatoes.
Stir in all seasonings.
Cover and cook on LOW for 6 hours or HIGH for 4 hours, until vegetables are tender.
About 20 minutes before serving, cook ditalini pasta separately to al dente.
Stir cooked pasta into the soup. Cook on HIGH for 10–15 minutes.
Taste and adjust seasoning if needed.
Serve hot with freshly grated Romano or Parmesan cheese.
