1. In skillet heat half of the margarine. 2. Cook chicken about 10 minutes or untul brown. 3. Add remaining margarine. 4. Add broccoli and mushrooms. 5. Cook over medium heat until tender. 6. Add soup,milk and mustard. 7. Heat to a boil. 8. AReturn chicken to pan. 9. Cover and cook over low heat 5 minutes or untul chicken is done. 10. Serve with noodles.