Au Gratin Potatoes

Name: Au Gratin Potatoes
Prep time: 20 min
Cook time: 1 h
Total time: 1 h 20 min
Yield: 4.0
Ingredients: 2 lbs Yukon Gold potatoes, thinly sliced; 2 cups heavy cream; 1 cup whole milk; 1 cup shredded sharp cheddar cheese; 1 cup grated Parmesan cheese; 2 cloves garlic, minced; 1/4 teaspoon nutmeg; Salt and pepper to taste; 1 tablespoon olive oil (for greasing the dish)

Highlighted under: Classic Comfort Cooking

It was a chilly Saturday, and I found myself craving something rich and comforting. I figured Au Gratin Potatoes would hit the spot. This dish, with its creamy layers and crispy top, costs about $8 to make and turns a simple meal into something special. Honestly, nothing warms you up quite like this cheesy goodness, especially when it's raining outside.

Created by

The Meals By Sophia Team

Last updated on 2026-06-06T23:18:19.488Z

Last time I made this, I got a little too excited with the garlic and accidentally dumped in a whole head crushed instead of a couple of cloves. It was overwhelmingly strong, and even my garlic-loving friends couldn't handle it. Lesson learned: always read the recipe carefully, especially when it comes to flavoring!

What makes these potatoes shine is not just the cheese but the technique. Using a combination of heavy cream and milk gives it that perfect creamy texture, while a touch of nutmeg really enhances the flavor. You'll be keeping this recipe in your back pocket for family gatherings, or just when you want to treat yourself.

Why This Works So Well

It’s easy to make, even on a busy weeknight
You probably already have most of the ingredients
The crispy cheese crust is addictive
Perfect as a side or just on its own
Leftovers? They reheat beautifully!

Choosing Your Ingredients

When it comes to Au Gratin Potatoes, I really love using Yukon Gold potatoes. They have a fantastic buttery flavor and creamy texture that works wonders in this dish. If you can’t find them, a starchy potato like Russet will do just fine, but the texture might be a bit less smooth. For the cheeses, I recommend sharp cheddar for that rich taste, but feel free to mix it up with some Gruyère if you're feeling adventurous.

Don't skimp on the cream and milk. Using heavy cream gives you that decadent creaminess, which is what you're really after here. But if you’re looking to lighten things up, half-and-half can work too, although it changes the taste slightly. I also like to add a touch of nutmeg because it just lifts the whole dish, but if you're not a fan, it’s easy to leave it out.

A Quick Note on Au Gratin Potatoes

This dish really shines when baked just right. Keep an eye on those last 15-20 minutes of baking; that’s when the cheese crust can go from golden brown to overly dark in a flash. You want that crispy cheese crust, but a burnt one is a huge bummer. I usually check in every few minutes towards the end, just to be safe. And hey, if it starts browning too quickly, you can always cover it back up with foil.

I also find that letting the dish cool for a few minutes makes a world of difference. When it’s fresh out of the oven, the layers can be a bit too loose and slip around on your plate, which can be a little frustrating when you’re trying to serve it. Those few minutes help marry the flavors and make it easier to scoop and serve.

Ingredients

For the Potatoes

2 lbs Yukon Gold potatoes, thinly sliced
2 cups heavy cream
1 cup whole milk
1 cup shredded sharp cheddar cheese
1 cup grated Parmesan cheese
2 cloves garlic, minced
1/4 teaspoon nutmeg
Salt and pepper to taste
1 tablespoon olive oil (for greasing the dish)

Instructions

Preheat the Oven

Start by preheating your oven to 375°F (190°C). This way, it's nice and hot when you're ready to bake.

Prep the Dish

Grease a baking dish with olive oil to prevent the potatoes from sticking. I usually just grab a paper towel and wipe it around, nothing fancy.

Layer the Potatoes

Arrange a layer of the sliced potatoes in the dish, overlapping them slightly. Season with salt, pepper, and a sprinkle of nutmeg. Then, layer on a bit of garlic, some cheddar, and Parmesan. Repeat until you run out of potatoes, ending with a layer of cheese on top.

Make the Cream Mixture

In a bowl, mix the heavy cream and whole milk, then pour this evenly over the layered potatoes. This is where it gets creamy goodness. If it seems like too much liquid, don't worry, it'll absorb while baking!

Bake

Cover the dish with aluminum foil and bake for about 45 minutes. After that, remove the foil and let it cook for another 15-20 minutes, until the top is golden brown and bubbly. You want the potatoes tender, so you can check with a fork.

Cool and Serve

Let the dish cool for a few minutes before serving. This helps everything settle a bit, and those layers will hold better when you scoop them out. Trust me, it’s worth the wait!

Pro Tips

For a crispy topping, add an extra sprinkle of cheese for the last few minutes in the oven.
If you want to mix it up, try adding some herbs like thyme or rosemary for more flavor.
Using different cheeses can create a unique taste – Gruyere or smoked gouda would be amazing.
You can prep this ahead of time and just bake it when you're ready to eat.

Scaling Au Gratin Potatoes for a Crowd

If you're making this for a larger group, scaling up is super easy. Just remember, for every additional pound of potatoes, you’ll want to increase the cream and cheese quantities accordingly. A good rule of thumb is to keep the same ratios. So, if you add two pounds of potatoes, double your milk and cream mixture, and the cheeses as well. It may take a bit longer to bake through, so just be prepared for that.

Something I’ve noticed is that the baking time can vary quite a bit depending on how thick your layers are. If you’re cramming in a lot of potatoes in there, it’s best to do a fork test starting at the 60-minute mark, checking for tenderness. Feel free to bake in a larger, flatter dish if you need more surface area for that cheesy top.

Questions About Recipes

→ Can I use different types of potatoes?

You can, but I prefer Yukon Gold for their creaminess. Russets work too, but they can become a bit mealy.

→ Is there a way to lighten this dish up?

Honestly, I skip low-fat milk, but you could use half-and-half instead of heavy cream for a less rich version.

→ Can I make this ahead of time?

Definitely! Just assemble the dish and keep it in the fridge for a day or two. Bake it when you're ready.