Saute onion, green pepper and celery in butter. Add chicken, soup and chicken and noodles dinner. Pour into casserole. Bake at 325 degrees for 25 minutes.
Use ungreased cookie sheet. Preheat ... until smooth. Add chicken, salt, pepper, milk, and onion; mix well. Separate dinner rolls into 4 rectangles; seal ... 20-25 minutes. Serves 4.