Preheat oven to 350°F
Remove scalloped potatoes from packaging
Leave potatoes in the tray or transfer to an oven-safe dish if needed
Cover with foil
Bake for 50 to 60 minutes
Remove foil during the last 10 to 15 minutes if you want a browned top
Check that the potatoes are hot and tender before serving
Let stand for 5 minutes before serving