Skip to contentBake: Cover the baking dish with aluminum foil and bake for 45 minutes. Remove the foil and continue to bake for another 15–20 minutes, or until the potatoes are tender and the top is golden and bubbly. If using, add crispy fried onions or extra shredded cheese during the last 5 minutes of baking.Serve and Enjoy: Let the casserole cool for a few minutes before serving. Garnish with fresh parsley if desired. This dish is great on its own or served with a simple side salad.