Ingredients
For the Gratin


Instructions
Step 1
Start by peeling the potatoes and slicing them as thinly as possible.
Arrange the slices in a baking dish or skillet, ensuring they are not too tightly packed to allow for even cooking. I recommend layering them at a slight angle for better presentation.
Step 2
In a heavy-bottomed saucepan, add the minced garlic and butter. Melt them over medium heat.
Once the butter is melted, stir in the flour and mix until golden clumps form. Gradually pour in the milk, whisking continuously.
Add salt, black pepper, dried herbs, and a pinch of nutmeg. Continue cooking for about two minutes until the sauce thickens. Be careful not to overcook it, or it may become too thick.
Step 3
Pour the bechamel sauce over the layered potatoes, ensuring everything is well coated.
Preheat the oven to 200 degrees Celsius (about 400 degrees Fahrenheit) and bake the gratin for approximately 50 minutes. Cooking time may vary depending on the shape of the dish, type of potatoes, and thickness of the slices.
You can check for doneness by inserting a fork; it should easily go in when the gratin is ready.
Step 4
If desired, sprinkle cheese over the top of the gratin and return it to the oven for an additional 5-10 minutes, until the cheese is melted and golden brown.
Allow the gratin to cool slightly before serving, as it will hold its shape better when cut.
Enjoy your delicious potato gratin!
Servings
Equipment
This handy tool will help you achieve perfectly thin potato slices for even cooking. If you don’t have one, a sharp knife works too—just be sure to slice consistently!
Using a dish with a tight lid or a skillet ensures that the potatoes cook evenly and stay moist. Choose a size that can hold all your potato layers without overcrowding.
A whisk is essential for creating a smooth béchamel sauce without lumps. Make sure it’s sturdy enough to handle the heat while stirring.



Preheat your oven to 200°C as you prepare the dish. This will ensure immediate heat that perfects the golden crust.



Variations
Faq
- What’s the best type of potato to use for gratin?
For the best texture, go for starchy potatoes like Russets or Yukon Golds. They’ll create a creamier consistency.
- Can I prepare this dish ahead of time?
Absolutely! You can slice the potatoes and make the béchamel sauce ahead of time. Just assemble and bake when you're ready!
- How can I prevent my gratin from becoming too watery?
Make sure to squeeze out excess moisture from your potatoes and avoid adding too much liquid in your béchamel. Keep an eye on it as it cooks!
- Can I add other ingredients to my gratin?
Of course! Feel free to add sautéed onions, mushrooms, or cooked bacon for extra flavor.
- Why does my béchamel sauce have lumps?
Lumps can form from adding milk too quickly without whisking. Make sure to add gradually and whisk thoroughly to keep it smooth!
- How can I get a crispy top on my gratin?
Broil the gratin for the last few minutes of baking! Keep a close eye on it so it doesn’t burn, and enjoy that golden perfection.