Authentic home cooking from France, with US measurements.

Originally published on Cookpad France as Gratin dauphinois duo de patates

Sweet Potato and Potato Gratin Dauphinois

Name: Sweet Potato and Potato Gratin Dauphinois
Total time: 1800 s
Yield: Serves 4 servings
Ingredients: 14 oz sweet potato (about 400 grams); 14 oz russet potatoes (about 400 grams); 1 garlic clove; 7 tablespoons salted butter (about 100 grams); 1 2/3 cups milk (about 13.5 fl oz or 400 ml, divided into 2 portions); 3/4 cup heavy cream (about 6.8 fl oz or 200 ml); Salt and pepper; Nutmeg; Shredded cheese for gratin (such as Gruyère or Swiss cheese)

Yavanah @Yavanah_Cooking

belgique

I don't know about you, but for me, gratin dauphinois was a dish that really challenged me! 😅
It took me quite a while to find a recipe that was creamy but not mushy, not too dry or too runny, and full of flavor!

I've finally found it, and of course, I'm excited to share this discovery with you right away. 😋

I was inspired by several recipes and my own trial and error to get to this result, which I hope will bring you as much satisfaction as it did for me.

I've finally found it, and of course, I'm excited to share this discovery with you right away. 😋

I was inspired by several recipes and my own trial and error to get to this result, which I hope will bring you as much satisfaction as it did for me.

Yavanah @Yavanah_Cooking

belgique

I've finally found it, and of course, I'm excited to share this discovery with you right away. 😋

I was inspired by several recipes and my own trial and error to get to this result, which I hope will bring you as much satisfaction as it did for me.

I've finally found it, and of course, I'm excited to share this discovery with you right away. 😋

I was inspired by several recipes and my own trial and error to get to this result, which I hope will bring you as much satisfaction as it did for me.

Saved

Ingredients

30 minutes

Serves 4 servings

14 ozsweet potato (about 400 grams)
14 ozrusset potatoes (about 400 grams)
1garlic clove
7 tablespoonssalted butter (about 100 grams)
1 2/3 cupsmilk (about 13.5 fl oz or 400 ml, divided into 2 portions)
3/4 cupheavy cream (about 6.8 fl oz or 200 ml)
Salt and pepper
Nutmeg
Shredded cheese for gratin (such as Gruyère or Swiss cheese)

Saved

Steps

30 minutes

1

Peel and rinse both the sweet potatoes and potatoes, then slice them thinly using a mandoline.
2

Place each type of potato in a separate sauté pan with 2/3 cup milk (about 6.8 fl oz or 200 ml), a few thin slices of butter, and some salt. Cover and cook over medium-high heat for about 10 minutes. The potatoes should still be slightly firm.
3

Meanwhile, preheat the oven to 350°F (180°C). Rub a baking dish with the garlic clove and a little butter to coat the bottom. Drain the potatoes and arrange them in the dish, alternating colors for a layered effect.
4

Pour the heavy cream over the potatoes, add a few more slices of butter on top. Season with salt, pepper, and a little nutmeg. Finish with a generous layer of shredded cheese for gratin.
Bake for 30 minutes and serve hot.
Enjoy!

Saved

Cooksnaps

Saved

Yavanah @Yavanah_Cooking

Published in the US on August 14, 2025 14:01

belgique

« Nul n’est heureux que le gourmand »Welcome to my Mumlife! 👩🏻‍🍳Pâtissière amatrice à mes heures perdues.Je vous embarque pour un petit tour dans mon univers 🌌Home made with loooooove! 🧡Il es important pour moi de fournir des produits de qualité à ma famille ainsi que mes proches...Nous devenons de plus en plus dépendant des magasins alimentaires et de toutes ces facilités qu’ils nous apportent (aujourd’hui on peux même acheter un œuf cuit dure épluché... emballer dans du plastique...)EXIT tout cela, on rallume les fourneaux et on s’y remet!🌺uniquement testées et approuvé par mon trio infernal car ne dit ont pas que la vérité sort toujours de la bouche des enfants? Eeet vu que monsieur a oublié de grandir 🤷🏻‍♀️.🌺donnez moi vos avis. Bons ou mauvais ils seront toujours les bienvenues 😋

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