Preheat oven to 350°F. Combine potatoes, 1 stick butter, onions, ... butter. Sprinkle over potato mixture. Bake at 350°F for ... with parsley, if desired.
You may want to print ... Bake both 15x10-inch casseroles in oven at 275°F for ... with "AUNT LOUISE'S POTATO CASSEROLE" and bag of crushed ... 350°F for 1 hour.