Pour this 1 sauce over potatoes into a ceramic baking dish for a golden oven moment that’s seriously satisfying.
The Ultimate Garlic-Herb Scalloped Potatoes
Most people struggle with watery sauce or crunchy potatoes. The fix is simple: slice the potatoes thin ($1/8$ inch) and use a high-fat dairy base to ensure the emulsion stays smooth under high heat.
Ingredients
| Component | What You’ll Need |
| The Base | 3 lbs Yukon Gold potatoes (peeled and sliced thin) |
| The Sauce | 4 tbsp butter, 1/4 cup flour, 3 cups whole milk |
| Aromatics | 3 cloves garlic (minced), 1 tsp fresh thyme, 1/2 tsp nutmeg |
| The Finish | 1.5 cups Gruyère or sharp Cheddar, salt & heavy black pepper |
The Method
1
Preheat and Prep
375°F (190°C)
Grease your ceramic baking dish with butter. Slice your potatoes uniformly. Pro tip: Do not soak the sliced potatoes in water; you need their natural starch to help thicken the sauce.
2
Build the Roux
The
Melt butter in a saucepan over medium heat. Whisk in flour and cook for 1–2 minutes until it smells nutty but hasn’t browned. Slowly whisk in milk, garlic, thyme, and nutmeg. Simmer until it coats the back of a spoon.
3
The Layering
Ceramic Dish Assembly
Arrange half the potatoes in overlapping rows. Season with salt and pepper. Pour half the herb sauce over them. Repeat with the remaining potatoes and sauce.
4
The Bake
60–75 Minutes Total
Cover tightly with foil and bake for 45 minutes. This steams the potatoes until tender. Remove foil, sprinkle with cheese, and bake for another 20–30 minutes until the top is bubbling and deep golden brown.
The Nutmeg Secret: Even if you aren’t a fan of the spice, a tiny pinch of nutmeg is the “invisible” ingredient in French white sauces. It doesn’t make it taste like dessert; it simply brings out the richness of the dairy.
