This au gratin potatoes recipe belongs on your holiday table! A delicious, decadent side dish, it features thinly sliced potatoes, onion, and cheese baked in a rich, garlicky cream sauce.Jump to Recipe JeanineDonofrio PhoebeMoorePublished: Nov 5, 2026This first time I made this au gratin potatoes recipe, Jack and I polished off half the pan ourselves.The thinly sliced potatoes are baked in a rich, garlicky cream sauce with onion and plenty of cheese (cheddar, Gruyère, AND Parmesan for a tangy, nutty punch).I developed the recipe with the holidays in mind.

These creamy au gratin potatoes would be an absolutely perfect side dish for Thanksgiving or Christmas.They taste decadent and flavorful, yet they’re simple to put together (and you can even make them ahead).If you’re looking for a show-stopping recipe for your table this year, you’re going to love these!Au Gratin Potatoes vs Scalloped PotatoesIf you’re thinking, Wait, how are these au gratin potatoes different from scalloped potatoes?, it’s a good question.

The two dishes are both creamy potato casseroles, after all.Traditionally, the difference comes down to cheese.Au gratin potatoes always have cheese, whereas scalloped potatoes often don’t.However, I do use cheese in my scalloped potatoes (a family tradition!), so other differences set my recipes apart.

These au gratin potatoes feature a richer sauce made with heavy cream and no roux, plus a higher ratio of cheese to potato.I took some inspiratio

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