Potatoes au Gratin is a classic, comforting dish featuring thinly sliced potatoes baked in a rich, creamy cheese sauce. This easy recipe delivers a golden, bubbly top with layers of tender, cheesy potatoes. Perfect as a side dish for holidays, family dinners, or special occasions, this dish is surprisingly simple to make with just a few pantry staples!
Why You’ll Love This Recipe
- Creamy & Cheesy – A rich, velvety sauce coats every bite.
- Easy to Make – Simple steps with no complicated techniques.
- Perfect Side Dish – Great for holidays, weeknights, or dinner parties.
- Customizable – Add garlic, herbs, or extra cheese for more flavor.
- Make-Ahead Friendly – Prep in advance and bake when needed.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
- Russet or Yukon Gold potatoes, thinly sliced
- Unsalted butter
- Heavy cream (or half-and-half)
- Whole milk
- Garlic, minced
- Salt and black pepper
- Nutmeg (optional, for warmth)
- Shredded cheddar cheese
- Shredded Gruyère cheese (or Parmesan for a sharper flavor)
- Fresh thyme or parsley (for garnish)
Directions

1. Prepare the Potatoes
- Preheat oven to 375°F (190°C).
- Peel and thinly slice the potatoes (about â…› inch thick) using a sharp knife or mandoline.
2. Make the Cheese Sauce
- In a saucepan, melt butter over medium heat.
- Add minced garlic and cook for 30 seconds until fragrant.
- Pour in heavy cream and milk, then season with salt, black pepper, and nutmeg (if using).
- Stir in half of the shredded cheese and whisk until melted and smooth.
3. Assemble the Dish
- Grease a 9×13-inch baking dish with butter.
- Arrange a layer of sliced potatoes in the dish, overlapping slightly.
- Pour some of the cheese sauce over the potatoes.
- Repeat layers until all potatoes and sauce are used.
- Sprinkle the remaining shredded cheese on top.
4. Bake Until Golden
- Cover with foil and bake for 45 minutes.
- Remove foil and bake for another 15-20 minutes until bubbly and golden brown.
- Let rest for 10 minutes before serving.
Servings and Timing
- Servings: 6-8
- Prep Time: 15 minutes
- Cook Time: 1 hour
- Total Time: 1 hour 15 minutes
Variations
- Garlic Lovers – Add roasted garlic to the sauce for extra depth.
- Herb-Infused – Mix in fresh rosemary or thyme for added aroma.
- Bacon Cheddar Version – Sprinkle crispy bacon bits between layers.
- Spicy Kick – Add a pinch of cayenne pepper or smoked paprika.
- Lighter Option – Use half-and-half instead of heavy cream.
Storage/Reheating
- Refrigeration: Store in an airtight container for up to 4 days.
- Freezing: Freeze for up to 3 months; thaw in the fridge overnight before reheating.
- Reheating: Warm in the oven at 350°F (175°C) for 15 minutes or microwave in 30-second bursts.
FAQs
What’s the best type of potato for au gratin?
Russet potatoes are starchy and creamy, while Yukon Golds hold their shape well and add a buttery texture.
Can I make this dish ahead of time?
Yes! Assemble the dish, cover, and refrigerate for up to 24 hours before baking.
How do I keep the cheese sauce from curdling?
Use low heat when melting the cheese and avoid boiling the cream.
Can I make this without cheese?
Yes! It will be more like scalloped potatoes, which use a creamy sauce without cheese.
What’s the difference between scalloped potatoes and potatoes au gratin?
Scalloped potatoes are baked in a cream sauce, while au gratin includes cheese for extra richness.
Can I use pre-shredded cheese?
It’s best to grate cheese from a block, as pre-shredded cheese contains anti-caking agents that prevent smooth melting.
What can I serve with potatoes au gratin?
Pairs well with steak, roasted chicken, pork chops, or grilled salmon.
Can I add breadcrumbs on top?
Yes! Sprinkle buttered panko breadcrumbs for a crispy topping.
How do I get the best golden-brown crust?
Broil for 2-3 minutes at the end of baking for a crispy, caramelized top.
Can I use plant-based milk and cheese?
Yes! Use oat or almond milk and dairy-free cheese for a vegan version.
Conclusion
This Easy Potatoes au Gratin recipe is creamy, cheesy, and absolutely irresistible. With layers of tender potatoes smothered in a rich cheese sauce, it’s the perfect side dish for any meal. Whether you’re making it for a holiday feast or a weeknight dinner, this dish is guaranteed to impress. Try it today and enjoy the ultimate comfort food!
PrintEasy Potatoes au Gratin
This Potatoes au Gratin is a classic, comforting dish made with thinly sliced potatoes, a creamy garlic-infused sauce, and melted cheese. It’s easy to make and perfect for holidays or weeknight dinners!
- Prep Time: 15 minutes
- Cook Time: 1 hour
- Total Time: 1 hour 15 minutes
- Yield: 6 servings 1x
- Category: Side Dish
- Method: Baking
- Cuisine: French-American
Ingredients
- 2 lbs russet or Yukon Gold potatoes, thinly sliced
- 2 tablespoons unsalted butter
- 2 cloves garlic, minced
- 1 ½ cups heavy cream (or whole milk for a lighter version)
- ½ teaspoon salt (or to taste)
- ¼ teaspoon black pepper
- ½ teaspoon thyme (optional)
- 1 cup shredded cheddar cheese
- ½ cup shredded Parmesan cheese
- ½ cup shredded Gruyère or mozzarella cheese (optional, for extra cheesiness)
- Fresh parsley or chives, for garnish (optional)
Instructions
1. Prep the Potatoes & Sauce
- Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- Wash, peel, and thinly slice the potatoes (about ⅛-inch thick). A mandoline works great for even slices.
- In a small saucepan, melt butter over medium heat. Add garlic and sauté for 30 seconds until fragrant.
- Stir in the heavy cream, salt, pepper, and thyme (if using). Heat until warm but do not boil.
2. Assemble the Layers
- Arrange half of the sliced potatoes in an even layer in the baking dish.
- Pour half of the warm cream mixture over the potatoes.
- Sprinkle with half of the cheddar, Parmesan, and Gruyère (if using).
- Repeat with the remaining potatoes, cream mixture, and cheese.
3. Bake Until Golden & Bubbly
- Cover the dish with foil and bake for 40 minutes.
- Remove the foil and bake uncovered for another 20–25 minutes, or until the top is golden brown and bubbly.
- Let cool for 10 minutes before serving. Garnish with fresh parsley or chives if desired.
Serving & Storage
- Serve warm with steak, roasted chicken, or a fresh salad.
- Store leftovers in an airtight container in the fridge for up to 3 days.
- Reheat in the oven at 350°F (175°C) for 15 minutes or in the microwave.
Notes
Swap heavy cream for half-and-half for a lighter version.- Add crispy bacon bits between layers for extra flavor.
- Use sweet potatoes for a unique twist!