In a large pot, heat olive oil over medium heat.
Add chopped onion and sauté until translucent.
Stir in minced garlic and cook for another minute.
Add sliced bell pepper and cook for 3-4 minutes.
Pour in vegetable broth and bring to a boil.
Add the pasta, cherry tomatoes, Italian seasoning, salt, and pepper.
Reduce heat to a simmer and cover the pot.
Cook for 10-12 minutes or until the pasta is al dente, stirring occasionally.
Once cooked, remove from heat and let it sit covered for 2 minutes.
Serve garnished with fresh basil and Parmesan cheese, if desired.