Layer in 9 x 13 pan in order:

3 to 4 chicken breasts
5 to 6 slices boiled ham
4 to 5 slices Swiss cheese
1 can cream of chicken soup
1/2 can water
2 1/2 to 3 c. croutons
1/2 stick melted butter

Mix soup and water together. Pour melted butter over croutons. Bake 1 hour covered at 350 degrees.