Scalloped Potatoes

A rich, creamy, and perfectly tender scalloped potatoes recipe backed by food science to prevent curdling and guarantee a velvety garlic-infused sauce.

Why This Recipe Works:

• Simmering potatoes in cream releases natural starches to bind and thicken the sauce without needing a flour-based roux.
• Using a mix of heavy cream and whole milk provides the perfect fat-to-water ratio to prevent curdling under high heat.
• Slicing the potatoes to a precise 1/8-inch thickness ensures they cook evenly and absorb the garlic-infused cream beautifully.

My first attempt at making dinner for my in-laws ended with me scraping a scorched, watery potato disaster out of a cheap ceramic baking dish while my husband quietly ordered takeout.

I had spent three hours slicing Yukon Golds with a cheap, flimsy plastic mandoline that slipped constantly and nearly took off my thumb, only for the cream to break into a grainy, oily mess in the oven.

Think about this in terms of physics: high oven heat causes dairy proteins to clump together and squeeze out water, a sad process called syneresis.

It gets worse if you use low-fat milk or rinse away the precious potato starches that are supposed to bind the sauce together.

To fix this, we simmer the sliced potatoes directly in a heavy cream and whole milk bath first, which coaxes out the amylose starch to naturally thicken the liquid and create a stable, unbreakable emulsion before it even touches the baking pan. This simple step acts as an insurance policy against curdling, ensuring a velvety texture every single time.

Trust me on this one.

Once you try this stovetop-to-oven method, you will never go back to layering raw potatoes and praying for the best.

Scalloped Potatoes

• Publisher Storied Skillet
• Cuisine American
• Category Side Dish, Comfort Food
• Prep Time 20 mins
• Cook Time 50 mins
• Servings 6
• Calories 320 calories
• Rating 4.8 2754
• Tags scalloped potatoes, potato side dish, creamy potatoes, holiday side dish

Ingredients

• 3 lbs Yukon Gold potatoes, scrubbed and sliced 1/8-inch thick
• 1.5 cups heavy cream
• 1.5 cups whole milk
• 3 cloves garlic, smashed and minced
• 2 tsp Diamond Crystal kosher salt
• 1/2 tsp freshly cracked black pepper
• 3 sprigs fresh thyme
• 1 tbsp unsalted butter, for greasing the baking dish
• 1/2 cup Gruyère cheese, grated (optional)

Directions

1. Preheat your oven to 375°F (190°C) and grease a 9x13-inch baking dish with the unsalted butter.
2. In a large Dutch oven or heavy-bottomed pot, combine the heavy cream, whole milk, minced garlic, Diamond Crystal kosher salt, black pepper, and fresh thyme sprigs.
3. Add the sliced potatoes to the pot and bring the mixture to a gentle simmer over medium heat, stirring occasionally with a wooden spoon to prevent sticking.
4. Simmer for 8 to 10 minutes, until the potatoes are slightly softened but still hold their shape, and the liquid has thickened to a creamy glaze.
5. Remove the pot from the heat, fish out and discard the thyme sprigs, and carefully transfer the potatoes and cream mixture into the prepared baking dish, smoothing the top.
6. Bake for 35 to 40 minutes, until the top is deeply golden brown and bubbly, and the potatoes are tender when pierced with a paring knife. Let rest for 10 minutes before serving.

Notes

• Always use Diamond Crystal kosher salt for precise seasoning; if you are using fine table salt or Morton's kosher salt, cut the volume in half (use 1 teaspoon instead of 2).
• Yukon Gold potatoes are hands down the best choice here because their moderate starch content strikes the perfect balance between holding their shape and releasing enough amylose to thicken the cream matrix.
• Keep a close eye on the pot while simmering the potatoes on the stovetop; dairy boils over in a split second, so stir constantly to prevent the bottom from scorching.
• After a day in the fridge, the starches will continue to absorb liquid, making the leftovers slightly firmer but incredibly rich and flavorful when reheated.
• If you love comforting potato bakes but want a cheesier, bacon-loaded twist, check out our Loaded Scalloped Potatoes or try this cozy French Onion Potato Bake.

Serving Suggestions

These rich, velvety potatoes are the ultimate companion to a hearty main course. Pair them with roasted meats or vibrant greens to balance the decadent cream sauce.

• Serve alongside a juicy steak or prime rib for a classic steakhouse experience.
• Pair with roasted green vegetables, like our Balsamic grilled vegetables with a touch of garlic flavor, to cut through the richness.
• Accompany with a crisp, bright green salad dressed in a tangy vinaigrette.
• Plate next to holiday favorites like roasted turkey, glazed ham, or braised short ribs.

Storage and Reheating

Leftovers keep beautifully.

Store any remaining scalloped potatoes in an airtight container in the refrigerator for up to four days. As they sit, the potato starch will continue to lock in the cream, making the dish even more cohesive and flavorful the next day.

To reheat, place the desired portion in an oven-safe dish, splash a tablespoon of milk over the top to loosen the sauce, and cover with foil.

Warm it in a 325°F (160°C) oven for about 15 to 20 minutes until heated through. Avoid using the microwave if you can help it, as rapid, uneven heating can cause the fat in the cream to separate and turn greasy.

Ingredient Substitutes

If you need to adapt this recipe based on what is in your pantry, here are the best tested swaps that won't ruin the texture.

1. Potatoes: Russet potatoes can be used in a pinch, though they are starchier and may break down slightly more than Yukon Golds.
2. Heavy Cream: For a lighter version, you can swap a portion of the heavy cream for half-and-half, but avoid using all milk as the lower fat content increases the risk of curdling.
3. Garlic: If fresh garlic isn't on hand, substitute with 1 teaspoon of garlic powder whisked directly into the cream mixture.
4. Herbs: Fresh rosemary or sage can replace the thyme sprigs for a different earthy flavor profile.

There is something deeply comforting about a bubbling dish of golden potatoes fresh from the oven. Once you master the simple science of simmering them in cream first, you will never have to worry about a broken sauce again. Gather your favorite people, pour a glass of wine, and enjoy every single creamy bite.