In a large saucepan heat olive oil over medium heat and saute onion and garlic until translucent. Add celery and carrots and continue to saute for another 3 minutes. Add Maureen's Chicken Broth. Bring to a boil; reduce heat and simmer, covered, 5 minutes. Stir in linguini; cook and stir until mixture returns to a boil. Reduce heat and simmer, covered, 10 minutes more or until pasta and vegetables are tender, stirring occasionally.
Add cooked chicken and fresh parsley. Heat through.