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Onion Potato Gratin

Onion Potato Gratin

My father discovered this potato gratin recipe in Bon Appetit magazine and it has since become a family favorite. With cream, cheese, onions, and potatoes, how can one go wrong? Unless of course you are on a diet, in which case you should probably stay away from this one. This recipe is easy to make, delicious, and filling.

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Onion Potato Gratin Recipe

Ingredients

1 1/2 pounds Yukon Gold potatoes, peeled, cut into 1/4 inch thick slices
3/4 pound onions, thinly sliced
1 cup (packed) grated Gruyere cheese (about 4 oz)
8 Tbsp (packed) freshly grated Parmesan cheese (about 2 oz)
2/3 cup whipping cream

Method

Preheat oven to 400°F (unless preparing in advance).

1 Combine Yukon Gold potatoes and sliced onions in heavy large saucepan. Add enough water to cover. Bring water to boil. Reduce heat and simmer until potatoes are almost tender, about 3 minutes. Drain potato onion mixture well.

2 Arrange half of potato-onion mixture in 11x7 inch glass baking dish. Sprinkle with salt and pepper. Sprinkle mixture with 1/3 cup Gruyere cheese and then 2 Tbsp of Parmesan cheese.

3 Arrange remaining potato-onion mixture atop cheeses. Pour cream over. Sprinkle with salt and pepper. Sprinkle the remaining 2/3 cup of Gruyere and 6 Tbsp of Parmesan cheese. (Can be prepared 8 hours in advance. Cover and refrigerate.)

4 Bake gratin uncovered in 400°F oven until cream thickens, about 25 minutes. Remove from oven. Preheat broiler. Broil gratin until top is golden, about 2 minutes.

Serves 4.

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12 Comments

hi, what kind of onion do you use?

Posted by: Vivien on October 17, 2004 4:25 PM

Hi Vivien - regular yellow onions.

Posted by: Elise on October 17, 2004 5:25 PM

This is a very lovely version that is a kind of cross-over between the onion-less Pommes Gratin Dauphinois and the onion-scented (but no dairy products) Pommes Boulangere, often served with a lamb roast. We make both.

But our own version is yet another compromise. We cook the potatoes in milk (2% or whole milk works fine) until just tender and layer in a buttered pan with grated Gruyere and about 3-4 tablespoons of butter. You may decide whether to use the milk the potatoes were cooked in or some half-and-half to pour into the pan (you will need about 2 cups, enough to come barely half way up the potatoes). We bake them in a 350 oven for about 45-50 minutes, until golden brown and puffed.

Posted by: Amy Wohl on October 18, 2004 1:59 PM

I just made this tonight, it turned out even better than I was expecting. It tasted wonderfully rich but was easier to make than I had thought it would be. Thank you!

Posted by: Sheeijan on October 25, 2004 7:23 PM

This was delicious. I made this tonight and actually went out and bought the special Gruyere cheese earlier this week. The only thing was I used Russet instead of Yukon because it was what I had purchased. It was still wonderful - definently on the family favorites. Actually the whole meal tonight was - which included the Chicken and Apples in Honey Mustard Sauce from this site and peas. Also the top browned nicely without even broiling it so I didn't as the rest of dinner was set.

PS Bon Appetit is one of my favorite magazines!

Posted by: Pink Sun Drops on February 2, 2005 9:25 PM

You've mentioned "half and half" in a couple of recipes now. Am I being a stupid foreigner? I can't seem to find out what it is?

xX

Posted by: Coralie on January 14, 2006 8:53 AM

Hi Coralie - "half and half" refers to half cream, half milk.

Posted by: elise on January 14, 2006 10:44 AM

This sounds totally awesome! Gruyere and whipping cream?! I know this will be a favorite!!!

Posted by: Renee on November 16, 2006 5:17 AM

I made these potatoes tonight. They were a huge hit. Even my "no-onion-eating-only-crispy-potatoes-please" 9 year old loved them. Another great one, thanks!!

Posted by: Angela on November 17, 2006 7:41 PM

Elise - I made this dish for our Thanksgiving dinner. It was delicious. Thanks so much for the recipe.

Posted by: Tami on November 29, 2006 4:22 PM

Posted by: Josh Baugher on December 17, 2006 3:47 PM

I tripled this recipe (except the onions) and made twelve servings. Used half and half instead of whipping cream becuase I had it in the fridge. The sauce was thinner, but also had many fewer calories. The potatoes were incredible and everyone went back for more. Did not have to broil, browned up nicely in the oven. Definitely a winner, my sister-in-law said it will have to replace her "cheesy potatoes" she serves on Christmas Eve.

Posted by: Kathy on January 21, 2009 9:49 AM

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