Potatoes Au Gratin (2024)

by Jenny Park · Published:

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The only Potatoes Au Gratin recipe you'll ever need! It's tender and creamy with a deliciously crispy and cheesy crust! It's best carb-loaded side dish for almost any meal!

Potatoes Au Gratin (1)

Potatoes Au Gratin (or au gratin potatoes) is a dish that you can have anytime of the year, although our favorite time to enjoy them is during the fall and winter. They make a perfect side dish with just about anything and are especially great to serve to a larger group of people.

Whenever I make these potatoes, they’re always the first thing to disappear, so I’d say it’s a pretty good sign. The potatoes are tender, creamy and soak up all the delicious garlic and cheese flavors and it’s finished with a crisp, golden, bubbling top!

What is an Au Gratin?

An au gratin is a traditional French technique that is comprised of a dish topped with cheese, butter, breadcrumbs, or a combination of the three and baked and/or broiled to form a browned and crisp top. The most commonly known gratin dish is a potatoes au gratin, although many different things can be made into a gratin.

How to Make Our Potatoes Au Gratin?

Ingredients

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Process

  1. Preheat oven to 375˚F. Grease a casserole dish.
  2. Very thinly slice potatoes – using a mandoline, if you have one, helps tremendously.
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  1. Combine cream, shredded cheddar, Parmesan, and garlic. Stir together.
  2. Add sliced potatoes and toss together. Season with salt and pepper and toss together.
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  1. Take a stack of potatoes and line baking dish, keeping potatoes upright on a slight angle. Repeat until all potatoes have been used.
  2. Pour excess cream mixture over potatoes and season with salt and pepper.
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  1. Dot top with remaining butter.
  2. Cover baking dish with foil and bake.
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Potatoes Au Gratin (10)
  1. Remove from oven, uncover potatoes.
  2. Sprinkle top with Parmesan.
  1. Continue to bake until potatoes are fork tender and top has crisped. Transfer to broiler and broil on high for 1 minute, until top has browned. Remove from oven, cool slightly and serve.
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Tools You Will Need

Why This is the BEST Potatoes Au Gratin You Will Ever Have

We know it’s a bold statement to make, but we truly believe our recipe is the most delicious au gratin you will ever taste!

  • We don’t layer the sliced potatoes atop one another. Instead we stack them vertically in rows. We think they cook more evenly this way and each and every slice of potato gets nice and crispy on top.
  • The minced garlic makes a huge difference in flavor!
  • We use heavy cream! A lot of recipes we’ve see use whole milk, which definitely works fine, but using heavy cream really pushes this dish over the top in decadence and you can be sure that you wont have a watery base once the dish is baked, but instead a nice creamy sauce.
  • We use white cheddar AND Parmesan cheese. Most recipes use just Parmesan cheese, but we also throw in some white cheddar cheese, making this au gratin extra cheesy, creamy and delicious.

Russet Potatoes or Yukon Golds for Potatoes Au Gratin?

Either potatoes will actually work great for this recipe. We use russet potatoes because they bake very well. Russets also absorb liquid better than their waxy counterparts, so they will soak up all the delicious flavors and still maintain their structure. Both types of potatoes have a high starch content which will help to thicken the sauce.

I would just avoid using something like a waxy red skinned potato because they contain less starch and will likely still be firm even after they’re baked.

Tips and Tricks for Potatoes Au Gratin Success

  • The heavy cream should coat all the potatoes evenly to ensure they don’t dry out.
  • Covering this dish in foil in beginning of the baking process will allow the potatoes to soften without drying the dish out. Once the potatoes get to a good point, uncovering them will allow the top of the gratin to brown and crisp up, while allowing some of the excess liquid to thicken and evaporate.
  • Keeping the slices as uniform in thickness as possible will greatly help even cooking throughout the gratin.
  • Using a mandoline will not only ensure even thickness, but will also reduce the prep time. If you don’t have a a very sharp knife is the next best thing we recommend.
  • I don’t recommend soaking the potatoes in water ahead of time for our potatoes au gratin (as some recipes call for). Soaking them will cause them to lose some of their starch, which helps to keep this dish creamy. The dish will still get a nice, crisp top without soaking the potatoes.

Variations for Our Potatoes Au Gratin

  • Replace the cheddar cheese with shredded gruyere cheese, comté or fontina. Also replace the Parmesan cheese with Pecorino.
  • For a more savory garlic flavor, you can roast a few cloves of garlic ahead of time and mash them into the cream mixture before tossing the potatoes and pouring over the dish.
  • Swap the heavy cream out with whole milk; although the mixture won’t get quite as thick and creamy if using milk.
  • Instead of thyme, use different herbs(or in combination with thyme). Chives, green onion and rosemary are all great alternatives.
  • Toss some diced ham or crumbled bacon into the potato and cream mixture!

I love this crazy delicious, creamy, and comforting cheesy potatoes au gratin. It’s the perfect carb-y side dish to enjoy all season long.

Make Ahead Instructions

Tightly wrap the dish in foil and refrigerate up to 24 hours ahead of time. When ready to bake, just place the covered gratin in the oven, adding about an extra 5-7 minutes of baking time to the dish (covered).

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Potatoes Au Gratin

4.98 from 225 votes

PRINT RECIPE Pin Recipe

The only Potatoes Au Gratin recipe you'll ever need! It's tender and creamy with a deliciously crispy and cheesy crust! It's best carb-loaded side dish for almost any meal!

RECIPE BY Teri & Jenny

Prep Time: 20 minutes mins

Cook Time: 1 hour hr 10 minutes mins

Total Time: 1 hour hr 30 minutes mins

Servings: 8

INGREDIENTS

  • 4 tablespoons softened unsalted butter divided
  • 3 pounds (4 or 5 medium) russet potatoes peeled
  • 1 cup heavy cream
  • 1/2 cup shredded white cheddar cheese
  • 6 tablespoons grated Parmesan divided
  • 3 garlic cloves minced
  • salt and pepper to taste

INSTRUCTIONS

  • Preheat oven to 375˚F. Grease a baking dish with 2 tablespoons butter.

  • Very thinly slice potatoes (using a mandolin, if you have one).

  • In a large mixing bowl, combine cream, shredded cheddar, 4 tablespoons Parmesan, and garlic.

  • Add sliced potatoes and toss together until all potatoes are well coated. Generously season with salt and pepper and toss together.

  • Take a stack of potatoes and line baking dish, keeping potatoes upright. Repeat until all potatoes have been used.

  • Evenly pour excess cream mixture over potatoes and lightly season with salt and pepper.

  • Dot top with remaining 2 tablespoons butter.

  • Cover baking dish with foil and bake for 35 to 40 minutes.

  • Remove from oven, uncover potatoes, sprinkle top with remaining Parmesan and continue to bake for an additional 25 to 30 minutes or until potatoes are fork tender.

  • Transfer to a broiler and broil on high for 1 minute, until top has browned.

  • Remove from oven and cool for about 10 minutes. Serve.

NOTES

Tips:

  • Ensure all the potatoes are evenly coated in cream so they cook evenly and don’t dry out.
  • The foil should be tightly wrapped around the baking dish to allow the dish to steam a little and for the potatoes to get tender before uncovering it.
  • Keeping the slices as uniform in thickness as possible will greatly help even cooking throughout the gratin.
  • Using a mandoline will not only ensure even thickness, but will also reduce the prep time. If you don’t have a mandoline a very sharp knife is the next best thing we recommend.

Prep Ahead:

  • This dish can be prepped up to a day ahead of time and refrigerated, tightly wrapped in foil. When ready to bake, just place the covered gratin in the oven, adding about an extra 5-7 minutes of baking time to the dish (covered).

Calories: 334kcal Carbohydrates: 32g Protein: 8g Fat: 20g Saturated Fat: 13g Cholesterol: 67mg Sodium: 122mg Potassium: 748mg Fiber: 2g Sugar: 1g Vitamin A: 715IU Vitamin C: 10mg Calcium: 138mg Iron: 2mg

CUISINE: French

KEYWORD: cheesy potatoes, gratin, potatoes gratin

COURSE: dinner, Side Dish

DIET : Vegetarian

Potatoes Au Gratin (23)

About Jenny Park

Jenny Park is half of Spoon Fork Bacon. She is also a food stylist and recipe developer. One of her favorite foods is donuts. #sfbJENNY

Reader Interactions

/ 44 Comments

Comments

    4.98 from 225 votes (206 ratings without comment)

    Leave a Reply

  1. Potatoes Au Gratin (24)Bianca

    Potatoes Au Gratin (25)
    I’ve been a professional home chef most of my life but for some reason I’ve never made potatoes au gratin. Wow am I glad this was the recipe I picked to show me how to make it right!!

    My family loved it and it has the flavor and deliciousness we are use to being served at our table, was easy to follow and the presentation was beautiful.

    I wish I could have posted a pic to let the newbies like I was know it’s easy to make and it wows the crowd!

    Reply

  2. Potatoes Au Gratin (26)Patricia

    Potatoes Au Gratin (27)
    This recipe is perfection! Everyone raved about it and I even printed off the recipe for my Daughter In Law before she left because she wanted to make them for company she was hosting next week. Will definitely make these ALOT!

    Reply

  3. Potatoes Au Gratin (28)Georgie

    Potatoes Au Gratin (29)
    I made this tonight for my family. It turned out to be very good; however, it took about double the cooking time and still came out very runny. Hoping maybe it will absorb overnight and be even better tomorrow.

    Reply

  4. Potatoes Au Gratin (30)Kimberly

    Can I put this in a crockpot and then toast the top in the oven at the end?

    Reply

  5. Potatoes Au Gratin (31)Crystal

    Hi! I’m going to make these this weekend! Is it possible to make multiple and freeze them for future meals? Maybe assemble and freeze before cooking?

    Reply

  6. Potatoes Au Gratin (32)Megan

    Potatoes Au Gratin (33)
    Delish! I added a mandolin-ed Vidalia onion and a teaspoon of nutmeg and it was a HIT! Thank you, this will be a go-to for an inexpensive but delish dish to please a crowd!

    Reply

  7. Potatoes Au Gratin (34)Angela

    Potatoes Au Gratin (35)
    These are so easy and so good.Thank you for the recipe.

    Reply

Potatoes Au Gratin (2024)

FAQs

What is the difference between potatoes au gratin and scalloped potatoes? ›

The difference comes down to cheese. Scalloped potato recipes are usually baked in a basic cream sauce until soft and tender, with no cheese topping. Potatoes au gratin are a bit more decadent. They are made with lots of cheese sprinkled in between the layers of potatoes and also on top of the casserole.

What is potato au gratin made of? ›

Also known as Dauphinoise Potatoes, this French classic is adapted from a Julia Child's recipe. With layers upon layers of finely sliced potatoes baked in, cream, butter and cheese with a hint of fresh thyme, it's luxurious and thoroughly indulgent. Bonus: It's the ultimate make ahead potato side dish!

What does au gratin mean in French? ›

The phrase au gratin literally means "by grating" in French, or "with a crust," from the verb gratter, "to scrape, scratch, or grate."

What is the difference between gratin and dauphinoise? ›

Potatoes au gratin are slices of pre-cooked (usually boiled) potato cooked in cream and topped with cheese which makes the gratin. Gratin Dauphinoise, on the other hand, is a dish made of thinly-sliced (not pre-cooked) potatoes that cook in cream. Dauphinoise traditionally does not contain any cheese.

Why are my au gratin potatoes hard? ›

Potatoes or rice can remain rock-hard after prolonged cooking. Starch will not swell if it is acidic. If you have a lot of sour cream in your scalloped potatoes or add something acidic, your potatoes may not soften. You can cook the potatoes with heavy cream or milk and then, after they soften, stir in sour cream.

Why are my au gratin potatoes watery? ›

Some potatoes, like Yukon Gold, have more water in them. Try letting the dish rest for 10 minutes or so to let the water get absorbed and let the sauce thicken. Try cooking your recipe longer. Try uncovering the dish in the oven for the last 10 minutes or so.

Why did my au gratin potatoes turn GREY? ›

Once they have been peeled and cut, raw potatoes will turn brown quickly. This process, which is called oxidation, happens because potatoes are a naturally starchy vegetable. And when exposed to oxygen, starches turn gray, brown, or even black. An oxidized potato is completely safe to eat.

What do you eat potato gratin with? ›

Serve potatoes au gratin with a roast pork loin or beef tenderloin, alongside a green salad. There's nothing like au gratin potatoes to take any meal over the top. The creamy, decadent, and oh-so satisfying recipe is sure to please everyone at your table.

Why did potatoes au gratin curdle? ›

High heat will cause the milk to curdle. Use milk or cream with higher fat content. Whole milk, half-and-half, or cream and full-fat cheeses are necessary. Skim milk and reduced-fat products will not be your friend in this dish.

What is the cooking technique of gratin? ›

Gratin (French: [ɡʁatɛ̃]) is a culinary technique in which an ingredient is topped with a browned crust, often using breadcrumbs, grated cheese, egg or butter. The term may be applied to any dish made using this method. Gratin is usually prepared in a shallow dish of some kind.

What is a buttered gratin dish? ›

An au gratin is a traditional French technique that is comprised of a dish topped with cheese, butter, breadcrumbs, or a combination of the three and baked and/or broiled to form a browned and crisp top.

Why are they called dauphinoise potatoes? ›

Potatoes dauphinoise, on the other hand, is named not after a person (or a sea mammal), but after the Dauphiné region itself where the local cuisine is known, among other things, for featuring a wide variety of gratin-style dishes.

Which is better scalloped or au gratin? ›

Scalloped potatoes also won't be as crispy in texture as au gratin. Both are golden brown and creamy, but if it's crispiness and crunchiness you're after, au gratin will probably be your best bet. Either one is sure to be a hit with your dinner guests, but it just depends on what sort of vibe you're going for!

Do the French eat jacket potatoes? ›

Do the French eat baked potatoes? Baked potatoes are part of the French diet, but they are rarely eaten in their own right. The most common way to eat baked potatoes is to accompany another dish. Baked potatoes can be served as a side dish or used in other recipes.

What is a substitute for cream in gratin? ›

Fortunately, you can still make a delicious gratin dauphinoise without cream. Substitute fat-free or non-dairy milk, a small amount of light butter, and plenty of herbs and spices so you wind up with a tasty dish that you don't have to feel guilty about eating.

Why are scalloped potatoes called funeral potatoes? ›

Why are they called funeral potatoes? Funeral potatoes get their unique name from being a crowd-pleasing casserole served as a side dish at after-funeral luncheons (particularly in the culture of the Church of Jesus Christ of Latter-Day Saints).

What is the real name for scalloped potatoes? ›

Potato-based

Sliced raw potatoes may also be baked in a liquid or sauce that steams them and forms a golden crust on top. In the US, the dish is referred to variously as funeral potatoes, potatoes au gratin, scalloped potatoes, or au gratin potatoes.

What does scalloped mean in scalloped potatoes? ›

Scalloped potatoes are thinly sliced potatoes layered in a deep dish, drenched in a thick and creamy sauce, and baked to perfection. This dish is thought to have originated in England, with the title “scalloped” referring to the thin, uniformly way the potatoes are sliced.

Are boxed scalloped potatoes good? ›

The taste blends beautifully with an Easter ham and not nearly the work as peeling and cutting all your own spuds for a large family meal. Good for a package product. We attend a lot of pot luck dinners and it never fails that they are on work nights. These potatoes are a big hit and easy to make.

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