This recipe was printed on the back of a calendar/envelope (maybe from some sort of recipe organizer) and it was published in 1961. I’ve typed it below along with a scanned copy.
Second Day Chicken
3 T. butter
1 T. flour
1 pk. cream cheese
1 pimento, sliced
1 t. salt
pinch of pepper
1 c. milk
1 c. chicken broth
or
1 boullion cube in 1 c. water
2 cups of diced chicken
1 1/2 c. cooked macaroni
Melt butter, add flour, cream cheese, pimento, seasonings. Mix well. Add milk and broth gradually to first mixture, stirring constantly. Boil for three minutes. Pour over chicken and macaroni. Cover with bread crumbs which have been buttered. Bake 350° 25 minutes.