Sauté garlic in hot oil in a stockpot over medium-high heat 1 minute. Stir in 2 cans of beans and chicken broth, and bring to a boil.
Stir in vegetable soup mix until dissolved. Add meatballs, tomatoes, and red pepper; return to a boil. Add rotini, and cook, stirring often, 15 minutes.
Stir in remaining can of beans and spinach; cook 5 more minutes. Garnish, if desired. Serve minestrone with breadsticks.
Note: For testing purposes only, we used Knorr Vegetable Soup Mix.