½ stick margarine
¼ cup finely chopped onion
2 cups grated cheddar cheese
1 pint sour cream
2 cans cream of chicken soup
Mix
all ingredients except potatoes in a saucepan and heat until the cheese is
melted. Place half the potatoes in a
greased 9x13 pan and top with half of the sauce, repeat with remaining potatoes
and sauce. Bake at 375º for 30 minutes.