Homemade Potatoes Au Gratin – Budget Bytes
When you need pure comfort in a casserole dish, au gratin potatoes deliver. These thinly sliced ​​potatoes baked in a creamy cheese sauce hit every comfort food button. And leftovers are awesome, so you...

When you need pure comfort in a casserole dish, au gratin potatoes deliver. These thinly sliced ​​potatoes baked in a creamy cheese sauce hit every comfort food button. And leftovers are awesome, so you can feed on this casserole paradise all week! 🙌

Potatoes au gratin being scooped out of the pan

What are au gratin potatoes?

The au gratin potatoes are basically scalloped potatoes with cheese (haha, that reminded me of the 'royal cheese'). So if you love scalloped potatoes and you love cheese, you will LOVE au gratin!

If you've never had scalloped potatoes before, you can think of au gratin potatoes like this: thinly sliced ​​potatoes topped with cheese and a creamy white sauce, then baked until so that they are sparkling and delicious. It's pretty amazing.

What kind of cheese can I use?

In general, you want to stick with soft cheeses for au gratin potatoes and avoid hard cheeses that don't melt as easily (like Parmesan, although that would make a nice topping mixed with breadcrumbs!). I had some cheddar cheese on hand today which I used, but Gruyere is another popular choice for au gratin potatoes.

What to serve with au gratin potatoes

It's such a rich comfort food that it pairs well with any roasted or baked comfort food. I would associate it with something like Roasted pork tenderloin with herbs, Cheddar cheeseburger meatloaf, or Herbed Butter Chicken Thighs. And of course, you'll probably need some sort of veg to balance out all that richness, so add a simple side of steamed green beans for good measure. 😉

What types of potatoes are the best?

Most people like a waxy variety for au gratin potatoes, like Yukon gold or red potatoes, but I'm the opposite. I love red potatoes because they are more starchy, which helps keep the sauce nice and thick, and I love how mushy they get when cooked in the creamy sauce. If you prefer a firmer slice, opt for Yukon gold or red potatoes.

Top view of casserole dish full of au gratin potatoes

Potato gratin

Thin slices of baked potatoes in a creamy cheese sauce make these au gratin potatoes heaven in a casserole dish.

Total cost: $ 5.33 recipe / $ 0.67 serving

Author: Beth - Budget Bytes

Portions: 8

  • 3 Kg. potatoes ($ 1.79)
  • 1 yellow onion ($ 0.32)
  • 4 Tablespoon Butter (0.56 USD)
  • 4 Tablespoon all purpose flour (0.04 USD)
  • 1 Chopped off chicken broth ($ 0.12)
  • 2 cups whole milk (0.75 USD)
  • 1/2 teaspoon salt (0.02 USD)
  • 1/4 teaspoon freshly cracked black pepper (0.02 USD)
  • 1/8 teaspoon ground nutmeg (0.02 USD)
  • 8 oz. cheddar, grated ($ 1.69)
  • Preheat the oven to 350 ° F. Peel and cut the potatoes into ⅛ inch thick slices. If you are not yet confident in your knife skills, use a mandolin or food processor to cut the potatoes into thin, even pieces.

  • Cut the yellow onion into small cubes. Brown the onion in a saucepan with the butter until softened (about five minutes). Once tender, add the flour to the pot and continue to cook, stirring for about two minutes. Finally, add the milk, whisking until the flour is completely dissolved.

  • Let the milk simmer gently over medium heat, whisking often. Once simmered, the milk thickens. Whisk the chicken broth and let it come to a boil. Season the sauce with salt, pepper and nutmeg.

  • Place half of the potatoes on the bottom of a 4-liter casserole dish. Top the potatoes with half the white sauce and half the grated cheddar cheese. Repeat with another layer of potatoes, sauce and grated cheddar cheese.

  • Cover the pan with foil and bake in a preheated 350 ° F oven for 45 minutes. Remove the foil and continue to bake for another 30 minutes or until the cheese is golden and bubbly on top. Let the casserole stand at room temperature for 10 minutes before serving.

See how we calculate recipe costs here.

Portion: 1portionCalories: 302.69kcalCarbohydrates: 39.15gProtein: 9.68gFat: 12.66gSodium: 462.3mgFiber: 2.68g

Nutritional values ​​are only estimates. See our full nutrition disclosure here.
The equipment section above has affiliate links to products we use and love. As an Amazon Associate, I earn qualifying purchases.
Close up of au gratin potatoes being hollowed out of the casserole dish

How to bake potatoes - step by step photos

peeled and sliced ​​potatoes

Preheat the oven to 350 ° F. Peel and cut three pounds of potatoes into ⅛-inch-thick rounds. If you are not sure about your knife skills, you can use a mandolin or a food processor with a cutting attachment to create thin, even slices.

Onion and butter in sauce jar

Finely dice a yellow onion. Sauté the onion with 4 tablespoons of butter in a saucepan until the onions are tender (about 5 minutes).

Flour added to the pot with sautéed onions

Add 4 tablespoons of flour to the pot with the sautéed onions and continue cooking, stirring over medium heat, for about two more minutes.

milk being poured into a pot of sauce

Whisk 2 cups of milk in the saucepan with the onions and flour. Whisk well until all the flour is dissolved. Let the milk simmer gently, in which case it will thicken.

the chicken broth being poured into the pan

Whisk 1 cup of the chicken broth and let it come to a boil.

Seasoning added to white sauce

Season the white sauce with ¼ teaspoon of salt, ¼ teaspoon of freshly cracked black pepper and ⅛ teaspoon of ground nutmeg.

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