Julia Child Potatoes Dauphinoise

This timeless French side dish, also known as Gratin Dauphinois, features thinly sliced potatoes baked in a rich mixture of cream, cheese, and garlic. Made famous by Julia Child, this indulgent casserole is creamy, cheesy, and golden on top, offering the perfect accompaniment to roasted meats or a decadent holiday spread.

Why You’ll Love This Recipe

Julia Child’s Potatoes Dauphinoise is more than just comfort food—it’s a culinary masterpiece. With simple ingredients, it transforms into a rich, elegant dish that is both satisfying and sophisticated. The garlic-infused cream, tender potatoes, and bubbling cheese combine into a luxurious bite every time. Whether served for a family dinner or special occasion, it’s a show-stopper.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• Russet or Yukon Gold potatoes, peeled and thinly sliced
• Whole milk
• Heavy cream
• Garlic clove, halved
• Gruyère cheese, grated
• Salt
• Freshly ground black pepper
• Butter (for greasing the baking dish)

Directions

1. Preheat the oven to 425°F (220°C).
2. Rub a baking dish with the cut sides of the garlic clove, then butter the dish thoroughly.
3. In a large bowl, mix the sliced potatoes with salt and pepper.
4. Layer half of the potatoes in the dish and sprinkle half the cheese over them.
5. Add the remaining potatoes, then pour a mixture of heated milk and cream over the top until it just covers the potatoes.
6. Top with the rest of the cheese.
7. Bake for about 20-25 minutes until the top is golden and bubbly.
8. Reduce oven temperature to 375°F (190°C) and bake for an additional 30-40 minutes, or until the potatoes are tender when pierced with a knife.
9. Let the dish rest for 10 minutes before serving.

Servings and timing

This recipe serves 6 people. The total preparation and cooking time is about 1 hour and 30 minutes:

• Prep time: 15-20 minutes
• Bake time: 60-70 minutes
• Rest time: 10 minutes

Variations

• Use a mix of cheeses like Parmesan or Comté for a flavor twist.
• Add a pinch of nutmeg to the cream mixture for a warm, aromatic note.
• For a heartier version, layer thin slices of ham or cooked bacon between the potatoes.
• Substitute half-and-half if you prefer a lighter version.
• Add caramelized onions or sautéed leeks for extra depth of flavor.

storage/reheating

Store leftover Potatoes Dauphinoise in an airtight container in the refrigerator for up to 4 days. To reheat, cover with foil and warm in a 350°F oven for 20-25 minutes or until heated through. You can also microwave individual portions for 2-3 minutes, though the oven preserves the texture better.

FAQs

What kind of potatoes are best for this recipe?

Russet or Yukon Gold potatoes are ideal due to their starch content and ability to hold shape.

Can I make Potatoes Dauphinoise ahead of time?

Yes, prepare and bake the dish, then cool and refrigerate. Reheat before serving.

Do I have to peel the potatoes?

Peeling is recommended for a smooth texture, but you can leave skins on for a more rustic feel.

What cheese works best in this dish?

Gruyère is traditional, but you can also use Swiss, Emmental, or a mix.

Can I freeze Potatoes Dauphinoise?

Freezing is not ideal as the texture may change, but it can be done if wrapped tightly.

How thin should I slice the potatoes?

Aim for about 1/8 inch thick. A mandoline slicer helps achieve uniform slices.

Can I use only milk or only cream?

Yes, but a mix provides the best texture and richness.

Is this the same as scalloped potatoes?

They are similar, but Dauphinoise typically includes cheese and garlic, while scalloped potatoes may not.

Why rub garlic on the dish?

It infuses subtle garlic flavor without overpowering the dish.

What can I serve this with?

It pairs well with roast chicken, beef tenderloin, lamb, or as a hearty vegetarian main with a salad.

Conclusion

Julia Child’s Potatoes Dauphinoise is the definition of classic French comfort food. Creamy, rich, and elegantly simple, this dish brings warmth and flavor to any table. With its golden crust and tender layers, it’s guaranteed to impress—whether you’re hosting a dinner party or just treating yourself.

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