Common Questions
What is the difference between scalloped potatoes and potatoes au gratin?
Scalloped potatoes are typically potatoes baked in a creamy sauce, often without cheese. Au gratin often includes cheese (and sometimes breadcrumbs) for a more obvious cheesy crust. This recipe is scalloped-style, but I give you an optional cheese add-in because I support your choices.
Do I have to peel the potatoes?
No. If you are using Yukon Golds, the skins are thin and totally fine. If you are using Russets, peeling gives you a smoother, more uniform texture, but it is not mandatory. I peel Russets, I usually do not peel Golds.
Why are my scalloped potatoes still hard after baking?
Common culprits are slices that are too thick, a dish that is too deep, or not enough time fully covered. Aim for 1/8-inch slices, keep the layers fairly even, and make sure you bake covered until a knife slides in with very little resistance. (If you swapped to a smaller, deeper pan, plan on extra time.)
Can I make scalloped potatoes ahead of time?
Yes. Assemble the dish, cover, and refrigerate up to 24 hours. Keep it chilled until baking time for food safety. Let it sit at room temp for 30 minutes before baking, or add 10 to 15 minutes to the covered bake time.
Can I use half-and-half instead of heavy cream?
You can. The sauce will be a little lighter and slightly less rich, but still delicious. If you go all milk, keep the roux step and do not rush the simmer, because that is your insurance policy against a thin sauce.