Combine sausage, egg, parmasan cheese and bread crumbs and roll into 1" meatballs. Brown in skillet and set aside. In stock pot, saute onion, celery, carrots, italian herbs and garlic in 2 tablespoons of olive oil. Add chicken broth and cook for 10 minutes. Add pasta and cook for seven minutes. Add spinach and cook further for 5 minutes.