Scalloped potatoes—a dish so comforting, so universally adored, it could almost be considered a food group on its own. Rich, creamy, and cheesy (if you like), scalloped potatoes have graced family tables for generations. Whether you’re preparing a Thanksgiving feast, a Sunday dinner, or simply craving something indulgent, this dish has a way of making everything feel just a little bit more special.
As someone who’s been in the kitchen for quite a few decades, I’m here to tell you everything you need to know about making the perfect scalloped potatoes. But it won’t be all sunshine and potatoes—I’ll point out potential pitfalls and offer solutions too. After all, we’re in this together, and I want your scalloped potatoes to be as delicious as they are easy to make.
What Are Scalloped Potatoes?
First, let’s make sure we’re all on the same page. Scalloped potatoes are thinly sliced potatoes baked in a rich, creamy sauce. The term “scalloped” historically referred to the way the potatoes were sliced, or sometimes even the technique used to bake them. However, modern-day recipes often use cheese, though it’s not always necessary. The key components are potatoes, cream (or a milk-based sauce), and time in the oven to transform these humble ingredients into something magical.
Ingredients You’ll Need
- Potatoes: Russet potatoes are typically the go-to choice. They’re starchy, which means they’ll absorb the cream and soften nicely while baking. Yukon Golds also work well if you prefer a slightly waxy texture.
- Butter: Butter is essential for a rich, savory base. It gives the dish its signature flavor and helps in creating that luscious sauce.
- Cream or Milk: Heavy cream is the classic choice for the creamiest texture, but whole milk will work too if you’re looking for something a little lighter. If you’re concerned about calories or fats, you can use half-and-half or a milk-cornstarch slurry to create a similar texture without the full cream indulgence.
- Cheese: This is optional, but many recipes call for grated cheese. Cheddar is the most popular, but Gruyère, Parmesan, or even a mix of cheeses can elevate the flavor profile.
- Seasonings: Salt, pepper, and garlic are the basics. Fresh herbs like thyme, rosemary, or parsley can add a beautiful aromatic touch.
- Onion: Some recipes call for a layer of thinly sliced onion between the potato layers, adding a sweet contrast to the creamy potatoes.

The Basic Method: Step by Step
- Preheat Your Oven: To get started, set your oven to 350°F (175°C). This is the optimal temperature for a slow, even bake.
- Prepare Your Potatoes: Peel and slice your potatoes into thin rounds, about 1/8 to 1/4 inch thick. You want the slices to be uniform in size, so they cook evenly. If you’ve got a mandoline slicer, this is a great time to use it.
- Make the Sauce:
- In a saucepan, melt butter over medium heat. Once melted, add flour to make a roux. Stir the flour into the butter for about 1-2 minutes until it’s bubbly and golden (but not brown). This helps thicken your sauce.
- Slowly whisk in the cream (or milk), making sure to remove any lumps as it combines with the roux. Season with salt, pepper, and garlic. Let it simmer for about 5 minutes to thicken up.

- Layer the Potatoes: Grease a baking dish with butter, then start layering your sliced potatoes. If you’re using onion, scatter it between the layers. Pour a little of your creamy sauce over each layer as you build it, ensuring the potatoes are coated.
- Bake: Cover the dish with aluminum foil and bake for about 45 minutes. After that, remove the foil and continue baking for another 30 minutes, or until the potatoes are tender and the top is golden brown and bubbly.
- Finishing Touches: If you like your scalloped potatoes extra cheesy, sprinkle cheese on top in the last 10 minutes of baking. Let the dish rest for 10 minutes before serving—it’ll firm up and make it easier to cut into neat squares or portions.
Potential Pitfalls & How to Avoid Them
- Potatoes Not Cooking Through: This can happen if your slices are too thick or if you don’t bake it long enough. If you notice that the potatoes aren’t tender by the end of the baking time, cover it with foil again and give it more time in the oven. Alternatively, try par-cooking the potatoes in boiling water for 3-5 minutes before layering them.
- Too Runny or Watery Sauce: This can happen if you use low-fat milk or too much liquid. To avoid this, you can use a mixture of milk and cream for a balanced texture. Alternatively, thicken your sauce further with a little extra roux or cornstarch mixed with water.
- Cheese Clumping: If you’re using shredded cheese, don’t add it too early in the baking process. Cheese added too soon can cause the sauce to separate and become greasy. Wait until the last 10 minutes to sprinkle it on top, so it has time to melt beautifully.
- Overwhelming Garlic Flavor: Garlic can quickly become overpowering if overcooked. Use fresh garlic, but be mindful to sauté it for only 1-2 minutes—just enough to release its flavor.

Variations and Customizations
If you’re feeling adventurous, there are plenty of ways to make this dish your own:
- Vegan Scalloped Potatoes: Use plant-based butter, almond or oat milk, and dairy-free cheese to create a vegan version.
- Loaded Scalloped Potatoes: Add bacon bits, green onions, or even sour cream for a loaded version. It’s a fun twist and can make the dish even more indulgent.
- Herb Infusion: For a fresh twist, infuse your cream or milk with rosemary or thyme. Just add the herbs to the cream as it heats, then strain them out before using.

Nutritional Considerations
While scalloped potatoes are undeniably delicious, they’re not exactly the healthiest dish you could make. A serving is often high in calories, fat, and carbohydrates—especially if you go heavy on the butter and cheese. If you’re trying to keep things lighter, consider reducing the amount of cheese or opting for a low-fat cream. You can also swap in cauliflower for half the potatoes to reduce the carb content.
Common Questions (FAQ)
Q: Can I make scalloped potatoes ahead of time?
Yes, you can! Prepare the dish up to the point of baking, cover it tightly with plastic wrap or foil, and refrigerate it for up to 24 hours before baking. Just add a few extra minutes to the cooking time.
Q: Can I freeze scalloped potatoes?
Freezing scalloped potatoes can be tricky, as the texture of the sauce can change when reheated. If you do freeze them, let the dish cool completely, then wrap it tightly in plastic wrap and foil. Thaw it in the fridge overnight before baking.
Q: What’s the difference between scalloped potatoes and au gratin potatoes?
Both dishes are made with thinly sliced potatoes in a creamy sauce, but au gratin potatoes typically have a crunchy, cheesy crust on top. Scalloped potatoes may or may not include cheese.

What People Are Saying About Scalloped Potatoes
- Marie (49, USA): “I’ve been making scalloped potatoes for years, and I still get compliments every time. I use Gruyère for a little extra sophistication, and they always turn out perfect. Just remember to slice your potatoes thin—no one wants mushy potatoes!”
- Rajiv (35, India): “I love that scalloped potatoes are so adaptable. I made them with coconut cream last week for a dairy-free twist, and they were just as good as the original. Definitely a comfort food, especially when paired with a little spice!”
- Sophie (58, UK): “I made these as a side dish for Sunday dinner, and my family loved them. I keep the recipe simple—just butter, cream, and cheese—but it always tastes amazing. Pro tip: a little nutmeg in the sauce gives it a lovely warmth.”
- Li Wei (40, China): “I hadn’t heard of scalloped potatoes before moving to the US, but now it’s one of my favorite dishes. I like to add some green onions and even a little sesame oil for a fusion twist!”
- Lucia (26, Argentina): “I always make this dish for holidays. The cheesy topping is my favorite part. Sometimes I add a few dollops of sour cream when serving, just for fun.”
Making scalloped potatoes isn’t just about following a recipe—it’s about creating a dish that you and your loved ones will savor. With a little attention to detail and some tweaks to fit your preferences, you’ll have a delicious, creamy dish that can be the star of any meal. Happy cooking!