Childhood Throwback: Spaghetti O's with Meatballs

ground chicken

reduced-fat pesto

panko breadcrumbs

Salt and pepper

olive oil

onion, (chopped coarse)

carrot, (peeled and chopped coarse)

small celery rib, (chopped coarse)

garlic, (minced)

: 28 ounce can diced tomatoes

low-sodium chicken broth

ditalini