Curried Chicken and Apple Soup

(by Adele L. Kellman)

4 T. butter

1/2 c. diced onions

1 carrot, diced

2 stalks celery, diced

2 t. curry powder

1 1/2 T. flour

4 c. chicken broth

1 t. salt

1/4 t. freshly ground pepper

1/8 t. thyme

1/2 c. cooked rice

1/2 c. cooked diced chicken