Au Gratin Potatoes - The Recipe Critic (2024)

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Creamy and cheesy au gratin potatoes are the perfect side dish to any comforting meal. Tender sliced potatoes baked in a rich and flavorful sauce with a golden layer of melty cheese on top. No one will be able to resist these heavenly potatoes.

These au gratin potatoes are a must for holidays and Sunday dinners. It’s the perfect side dish to accompany beef, poultry, or ham. Serve this alongside the bestprime rib,tender chicken, or thisclassic honey glazed ham.

Au Gratin Potatoes - The Recipe Critic (1)

Homemade Au Gratin Potatoes

Thinly sliced potatoes covered in a creamy sauce made with heavy cream and melty cheeses. The shallots and garlic flavor the sauce to perfection. Every comforting bite leaves you wanting more! There is just something about homemade au gratin potatoes warm from the oven that gets your family running to the dinner table.

Potatoes are the holy grail of side dishes because they are so versatile. There are so many ways to prepare potatoes and every way is delicious. Try them roasted in the air fryer, mashed in the crockpot, or make this yummy hash brown casserole for your next side dish. I also have a scalloped potato recipe that is similar to these au gratin potatoes. The main difference is the added layers of extra cheese and the thicker slices of potatoes in this au gratin potato recipe.

Ingredients Needed

Making these hearty and delicious au gratin potatoes doesn’t require many ingredients at all! Here’s everything you need, and hopefully you’ll have most of them on hand already. The exact measurements are in the recipe card below.

  • Unsalted Butter: Grease the baking dish with softened butter.
  • Russet Potatoes: Russet potatoes are perfect for baking.
  • Heavy Whipping Cream: Helps thicken and adds richness to the sauce. If you prefer a slightly lighter version, substitute withhalf and half.
  • Whole Milk: Whole milk creates a smooth and creamy sauce.
  • Flour: Helps thicken the creamy sauce for your potatoes.
  • Salt and Pepper: Potatoes ALWAYS need salt and pepper to taste.
  • Garlic: Garlic adds a strong, savory, and delicious flavor. Use fresh garlic because your potatoes will have the best flavor!
  • Shallot: I LOVE to use shallots instead of onions, but onions are also delicious.
  • Parsley: Fresh parsley for flavor and garnish.
  • Sharp Cheddar Cheese: Cheddar cheese is the best cheese for melting and is great in potato recipes.
  • Parmesan Cheese: Freshly grated Parmesan cheese brings a sharp, nutty, and savory flavor to the dish. It forms a golden and crispy crust on top when baked, adding a delightful texture.

Au Gratin Potatoes Recipe

This au gratin potatoes recipe only takes 15 minutes of prep time and is easier than it looks. These are perfect for popping in the oven before a gathering with friends or family! Follow the exact instructions on the recipe card because I walk you through how to make au gratin potatoes.

  1. Preheat Oven and Grease Baking Dish: Preheat oven to 400 degrees Fahrenheit. Grease a 9 x 13-inch baking dish or casserole dish with the softened butter.
  2. Clean and Slice Potatoes: Scrub the potatoes thoroughly and thinly slice them. Use a mandolin if you have one.
  3. Combine Sauce Ingredients: In a large bowl combine the whipping cream, milk, four, salt, pepper, minced garlic and shallot, parsley, ½ cup of the cheddar cheese, and ½ cup of parmesan cheese. Whisk everything together well.
  4. Add Potato Slices to Sauce Mixture: Add the sliced potatoes then stir to evenly coat all the potatoes.
  5. Arrange Potatoes in Baking Dish: Add the cream-coated potatoes to the prepared baking dish, then arrange them in a uniform side-lying stack. Be sure to fill the pan completely.
  6. Top With Cheeses: Pour any excess cream mixture over the top of the potatoes then sprinkle the remaining cheeses on top of the potatoes.
  7. Cover and Bake: Cover the baking dish in aluminum foil and bake for 30 minutes. Remove the foil and bake uncovered for an additional 20-30 minutes.
  8. Rest Potatoes and Enjoy: When the potatoes are finished baking, remove them from the oven. Allow them to rest for at least 20 minutes before garnishing and serving warm.
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Helpful Tips and Variations

Although au gratin potatoes are fairly easy to make, here are a few extra tips to keep in mind so they turn out perfectly. Follow these tips below because you’ll be a pro at making the best potatoes!

  • Uniform Slices:The potatoes need to be sliced nice and thin. It’s also important that they areall cut to the same width. Using a sharp knife will help with this. If you have some thick slices and some thin slices, the potatoes will bake unevenly. The thicker slices won’t be cooked through, but the thinner slices could cook too much and turn into mashed potatoes.
  • Use aMandolin Slicer:If you have one of these on hand it will make the slicing process fly by quickly, just be careful with your fingers.
  • Switch Up the Cheese: Take the cheesy flavors to the next level by using Gruyerecheese or smoked gouda in place of the cheddar. Talk about YUMMY!
  • More Mix-Ins:Make these potatoes your own! Try adding bacon, chives, green onions, or other herbs like fresh thyme or rosemary.
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Leftovers Callout Title

Prepare these potatoes ahead of time then bake them when you’re ready so they’re nice and warm. Au gratin potatoes also make great leftovers for lunch or dinner the next day! Just let them cool down completely then transfer them to an airtight container. Leftovers won’t last long because they are just that good!

  • In the Refrigerator:Store leftovers in the refrigerator in an airtight container for up to 4 days.
  • To Reheat:Reheat potatoes in the microwave until warmed through, or in the oven for about 10 minutes at 350 degrees Fahrenheit.
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More Potato Recipes to Try

Potatoes are so versatile and can be used in many different ways. From soups to casseroles to even bread! Potatoes are one of those staple ingredients that are always good to have on hand. I have so many delicious recipes that use potatoes and I can’t wait for you to give them a try!

Soup

Slow Cooker Loaded Baked Potato Soup

6 hrs 20 mins

Side Dishes

The Best Funeral Potatoes

1 hr 5 mins

Appetizers

Baked Parmesan Garlic Potato Wedges

30 mins

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Au Gratin Potatoes

5 from 1 vote

By: Alyssa Rivers

Creamy and cheesy au gratin potatoes are the perfect side dish to any comforting meal. Tender sliced potatoes baked in a rich and flavorful sauce with a golden layer of melty cheese on top. No one will be able to resist these heavenly potatoes.

Prep Time: 20 minutes minutes

Cook Time: 1 hour hour

Total Time: 1 hour hour 20 minutes minutes

Servings: 8 people

Ingredients

Instructions

  • Preheat oven to 400 degrees Fahrenheit. Grease a 9 x 13 inch baking dish with the softened butter.

  • Scrub the potatoes thoroughly and thinly slice them. Use a mandolin if you have one.

  • In a large bowl combine the whipping cream, milk, four, salt, pepper, minced garlic and shallot, parsley, ½ cup of the cheddar cheese and ½ cup of the parmesan cheese. Whisk the ingredients together.

  • Add the sliced potatoes then stir to evenly coat all the potatoes.

  • Add the cream coated potatoes to the butter lined baking dish. Arrange them in a uniform side-lying stack, filling the pan completely.

  • Pour any excess cream mixture over the top of the potatoes. Sprinkle the remaining ¼ cup of cheddar and ¼ cup parmesan cheese on top of the potatoes.

  • Cover the baking dish in foil and bake for 30 minutes. Remove the foil and bake uncovered for 20-30 minutes.

  • When the potatoes are finished baking, remove them from the oven. Allow them to rest for at least 20 minutes before garnishing and serving.

Nutrition

Calories: 311kcalCarbohydrates: 24gProtein: 10gFat: 20gSaturated Fat: 13gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gTrans Fat: 0.1gCholesterol: 60mgSodium: 821mgPotassium: 536mgFiber: 2gSugar: 3gVitamin A: 774IUVitamin C: 8mgCalcium: 245mgIron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Side Dish

Cuisine: American

Tried this recipe?Mention @alyssa_therecipecritic or tag #therecipecritic!

About Alyssa Rivers

Welcome to my kitchen! I am Alyssa Rivers and the food blogger behind The Recipe Critic. The blog launched in 2012 as a place to share my passion for cooking. I love trying new things and testing them out with my family. Each recipe is tried and true, family-tested and approved.

Read More About Me

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Au Gratin Potatoes - The Recipe Critic (2024)

FAQs

What's the difference between scalloped potatoes and au gratin 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.

Why are my au gratin potatoes watery? ›

If you used a pre-prepped potato from the refrigerator section instead of slicing your own, they can have preservatives that make them a bit watery. If you stored your potatoes in water to prevent discoloring, be sure to drain them well and pat them dry before adding to your casserole.

Why did my au gratin potatoes separate? ›

The curdling is caused by high heat, which is hard to avoid in an oven. So to keep the sauce together, tackle it before the dish goes in the oven. Instead of simply layering grated cheese and milk or cream with the potatoes, you need to make a smooth cheese sauce.

Why should the potato slices for the gratin not be soaked in water before adding to the cream? ›

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.

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!

How far in advance can you slice potatoes for scalloped potatoes? ›

If raw, once the potato is cut you can store in the refrigerator, covered with water for 12-24 hours. Be sure to keep submerged in water to prevent slices from turning gray or brown.

Why are my potatoes not getting soft in the oven? ›

Size and Cut: The size and cut of the potato pieces can also affect their cooking time. Smaller pieces will cook faster and become softer than larger ones. If the potato cubes were too large or unevenly cut, this might result in some pieces remaining crunchy.

How do you keep au gratin potatoes from curdling? ›

High oven temperatures can make the milk's components break apart, again leaving the proteins free to clump together. To prevent curdling, cook your scalloped potatoes at a lower temperature and across a longer period of time.

Can you eat potato gratin the next day? ›

Let sit until room temperature and then drain and place in a glass pan (not metal) and refrigerate before using the next day. This is the perfect way to make sure the potatoes layered in a casserole dish are cooked when heated and serving.

Can you make au gratin potatoes ahead and reheat? ›

You can absolutely make these cheesy au gratin potatoes up to three days ahead of time! Simply pour the sauce over the potatoes as directed, then cover the pan with foil and instead of baking, place in the fridge until ready to bake.

What does potatoes 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." Definitions of au gratin. adjective. cooked while covered with browned breadcrumbs (and sometimes cheese)

What happens if you don't soak potatoes? ›

The main reasons to cut the potatoes and pre-soak in water are: To allow the excess starches and sugars to be removed from the outer surface of the fry strips AND to keep the potatoes from browning prematurely from exposure to air. Covering in water helps the potato from turning a dark color.

How do you fix watery gratin? ›

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.

Why soak your potatoes in cold water? ›

Soaking potatoes in water helps remove excess starch. Excess starch can inhibit the potatoes from cooking evenly as well as creating a gummy or sticky texture on the outside of your potatoes. Cold water is used because hot water would react with the starch activating it, making it harder to separate from the potatoes.

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? ›

Potatoes gratiné

In the US, the dish is referred to variously as funeral potatoes, potatoes au gratin, scalloped potatoes, or au gratin potatoes. In English Canada, it is called scalloped potatoes or potatoes au gratin. In French-speaking Canada, the dish is referred to as patates au gratin.

What is the best choice scalloped potatoes? ›

The best potatoes to use for a homemade scalloped potato recipes like this one are baking/frying potatoes, either russet or Idaho. They have dry, light, and fluffy interiors that hold their shape when cooked. The starch in the potatoes helps to thicken the sauce while the casserole bakes.

What makes a gratin a gratin? ›

What Does “Au Gratin” Mean? A “gratin” is any dish that is topped with cheese or breadcrumbs mixed with butter, then heated in the oven or under the broiler until brown and crispy, according to The Food Lover's Companion. The term au gratin or gratinée just refers to anything prepared in that manner.

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