3 lg. potatoes, peeled and sliced
1 can Campbell's cream of chicken soup
2/3 c. milk
2 tbsp. butter
Salt
Pepper

Spray casserole dish with Pam. Arrange a layer of potatoes in the dish, sprinkle with salt and pepper. Mix soup and milk together and pour a portion over potatoes. Continue layers until all potatoes are used. Dot with butter, cover, and bake at 375 degrees for 1 hour and 15 minutes.