Funeral Potatoes/Aunt Kathy's Potatoes

8 Med Potatoes - Boiled in the skin/peeled and grated
1 pint sour cream
1 can cream of chicken soup
1 can milk
1 teas salt
1/4 grated onion sautee'd in butter (or rehydrated dried onions)
1 1/2 cups grated cheese
1/2 cup crushed flakes/2 t. butter for topping

Put in a 9x13 pan bake on 350 for 1 hour