1 tbsp olive oil 1 small yellow onion, diced 3 medium carrots, diced 3 stalks celery, diced 1 tsp salt 1/2 tsp black pepper 1 tsp Italian seasoning 6 cups chicken stock 1 1/2 cup cooked & shredded chicken 1/2 cup uncooked pasta of choice, I used small shells Fresh parsley, chopped, for garnish (optional)