Recipe

Classic Potato Dauphinoise

Thin-sliced potatoes baked in garlic cream until tender, bubbling, and perfectly bronzed on top.

By Matt Campbell

•

4.8

A ceramic baking dish filled with potato dauphinoise, showing a golden brown top with bubbling cream around the edges on a warm kitchen counter

Dauphinoise is one of those dishes that feels fancy without asking you to do anything weird. It is just thin potatoes + garlic cream + heat, and somehow it turns into a pan of cozy, silky layers with crisp edges that make people hover near the oven like it is a campfire.

This is the classic French-style approach, meaning typically no cheese. You can add it if you want, and I will tell you exactly how, but the real magic is in the starch. As the potatoes bake, they release starch that thickens the cream into a sauce that clings to every slice. Your job is mostly to slice evenly, season like you mean it, and not rush the bake. Also: do not rinse the potatoes. I know it is tempting. Let them be starchy.

Yukon Gold potatoes, garlic cloves, a small pitcher of cream, and a dish of salt and pepper arranged on a light stone kitchen counter under soft natural light

Why It Works

Tender, layered potatoes that slice cleanly but still melt in your mouth.
A naturally thickened cream sauce thanks to potato starch, not flour.
Bright garlic flavor that is mellowed by the long bake.
Golden top and crisp edges without drying out the middle.
Make-ahead friendly, which is basically a love language on busy days.

Pairs Well With

Storage Tips

Refrigerate: Cool completely, then cover the baking dish or transfer to an airtight container. Store up to 4 days.

Reheat (best method): Warm in a 350°F oven, covered with foil, for 20 to 30 minutes until hot. Uncover for the last 5 minutes to bring back the top.

Microwave (fast method): Works fine for lunch portions. Add a tiny splash of milk or cream if it looks tight, then heat in 45-second bursts.

Freeze: You can, but dairy-based gratins can turn a little grainy or watery after thawing. Freeze tightly wrapped portions up to 2 months. Thaw overnight in the fridge and reheat in the oven covered.

Common Questions

What is the difference between dauphinoise and gratin?

Potato dauphinoise is typically thin-sliced potatoes baked in milk and or cream with garlic, and it is traditionally made without cheese (definitions vary a bit by region and source). A potato gratin often includes cheese and sometimes breadcrumbs, plus the top is meant to be more deliberately crusty.

Do I have to peel the potatoes?

Not strictly, but for the most classic silky texture, I recommend peeling. If you love a more rustic vibe and your potatoes have thin, clean skins (like Yukon Gold), you can leave them on.

Should I rinse the sliced potatoes?

No. Skipping the rinse is part of the point here. You want that surface starch, because it helps the cream thicken into a sauce that clings to every layer.

Why did my cream curdle?

Common causes are too high of heat, using very acidic add-ins, or a lot of movement early on. Stick to the bake temp, and if you simmer the cream mixture first, keep it gentle. Also, avoid ultra-low-fat dairy here.

Can I make it ahead?

Yes. Bake it fully, cool, refrigerate, then reheat covered at 350°F until hot. It actually slices even better after a rest.

Do I need a mandoline?

It helps for evenly thin slices, but a sharp knife works. Aim for about 1/8-inch slices so everything cooks at the same pace.

What potatoes work best?

Yukon Gold is my favorite for creamy layers that still hold together. Russets get softer and more plush, but can turn a bit more delicate. Either works, just slice evenly and bake until fully tender.

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

2 to 3-quart baking dish (ceramic or glass)
Mandoline or sharp chef’s knife
Cutting board
Medium saucepan
Measuring cups and spoons
Foil (for covering if needed)

The first time I made dauphinoise, I treated it like regular scalloped potatoes and tried to rush it. Big mistake. It came out tasty but impatient, which is a polite way of saying the potatoes were still a little firm and the sauce was thin. Now I bake it like it is the main character. I slice, I season every layer, and I let the oven do the slow work. When it hits that moment where the cream is bubbling at the edges and the top goes bronzed and blistered, it feels like cheating. It is not. It is just potatoes behaving beautifully.

Classic Potato Dauphinoise

(4.8 Reviews)

Prep Time 20 minutes

Cook Time 1 hour 15 minutes

Total Time 1 hour 35 minutes

Servings 8

Ingredients

3 pounds Yukon Gold potatoes, peeled
2 cups heavy cream
1 cup whole milk
3 cloves garlic, finely grated or minced (plus 1 cut clove for rubbing the dish)
1 1/2 to 2 teaspoons kosher salt, plus more to taste
1/2 teaspoon black pepper
Pinch freshly grated nutmeg (optional but very classic)
2 tablespoons unsalted butter, for greasing the dish
1 tablespoon fresh thyme leaves (optional)

Optional add-ins (not traditional, but delicious):

3/4 cup grated Gruyère for a cheesier gratin-style top

Instructions

Heat the oven. Preheat to 350°F. Butter a 2 to 3-quart baking dish. Rub the inside of the dish with the cut garlic clove, then discard the clove.
Warm the cream mixture. In a medium saucepan, combine the heavy cream, milk, minced garlic, 1 1/2 teaspoons of the salt (start here), pepper, and nutmeg (if using). Warm over medium-low heat until steaming, not boiling. Turn off the heat.
Slice the potatoes. Slice potatoes about 1/8-inch thick. Try to keep them consistent so they cook evenly. Do not rinse the slices. You want the starch. (If you are using a mandoline, please use the guard. I want you to enjoy dauphinoise with all your fingertips.)
Layer and season. Arrange a layer of potato slices in the baking dish, slightly overlapping. Add a small pinch of thyme (optional) and a tiny pinch of salt if you like to season by layer (especially helpful if you stopped at 1 1/2 teaspoons in the pot). Ladle over a few spoonfuls of the warm cream mixture, just enough to moisten and lightly coat the layer. Repeat until you run out of potatoes, pressing gently as you go so the layers settle. Pour the remaining cream mixture over the top. Ideally the liquid comes up close to the top of the potatoes, but does not completely drown them.
Bake until tender and bronzed. Bake uncovered for 60 to 75 minutes, until the top is golden and the potatoes are fully tender all the way through. Doneness cues: the cream should be bubbling around the edges and you should feel little to no resistance when a knife goes into the center. If the top browns too quickly, loosely cover with foil for the remaining bake time.
Rest, then slice. Let it rest for 15 minutes before serving. This is not just polite. It is when the sauce finishes thickening and the layers settle into clean slices. (Thickness can vary a bit by potato type and how deep your dish is, but the rest is the great equalizer.)
If adding cheese: Sprinkle Gruyère over the top during the last 15 minutes of baking, then continue until melted and lightly browned. This nudges it into more of a gratin-with-cheese situation, which is never a bad thing.