Add oil to a large pot.  Heat the oil on low.

Add the vegetables and cook until soft.

Season with salt and pepper.

Stir in the chicken broth and marinara sauce.

Add the Italian seasoning and red pepper flakes.

Stir to mix well.

Bring to a boil.

Once boiling add in the meatballs and spaghetti.

Continue to cook on a simmer until the pasta is cooked.

Ladle in serving bowls.

Just before serving garnish with Parmesan cheese and chopped fresh parsley.