Combine mince and garlic and roll into small balls.
Heat oil in a saucepan over medium-high heat. Cook meatballs until browned on all sides. Add garlic and bacon, and cook for 1 minute.
Add stock and bring to the boil. Stir in tomato paste, celery, carrots and potatoes. Cook for 5 minutes.
Add zucchini and pasta. Cook for 10 minutes or until pasta is just cooked.
Stir in borlotti beans and cook until heated through.