4 chicken breasts
mayonnaise
Swiss cheese slices
1 can cream of mushroom soup
1/4 c. chicken broth
bread crumbs or croutons
butter

Place 4 chicken breasts (halved and boned, 8 fillets) in mayonnaise coated casserole. Cover with slices of Swiss cheese. Mix 1 can cream of mushroom soup with 1/4 cup chicken broth; pour over chicken and cheese. Cover top with bread crumbs or croutons and dot with butter.

Bake at 325°F for 3/4 to 1 hour.