1/2 c. shaved ham
1 pkg. boneless chicken breasts
1 sm. pkg. fresh mushrooms
4 slices Swiss cheese
1 can cream of mushroom soup
1/2 c. sour cream

Layer bottom of casserole dish with ham. Top with cheese slices. Pound chicken breasts and lay on top of cheese. Slice mushrooms and layer on top of chicken. Mix soup and sour cream and pour on top. Bake at 350 degrees for 1 1/2 hours.