Heat oil in a large pan over medium-high heat. Add chicken and brown for 3-5 minutes on each side.
Remove chicken from the pan and set aside on a plate.
Add onion, garlic, and celery to the pan, stirring for 5 minutes or until softened. Add capsicum, zucchini and eggplant and cook, stirring for 5-7 minutes.
Add tomatoes, fresh oregano, thyme and chicken to the pan and cook, covered until the chicken is cooked through and vegetables are tender.
Serve Tuscan chicken with pasta.
Allow to cool. Freeze in an airtight container. (see tip)
Once reheated, garnish with parsley before serving.