Description
This comforting Potato Gratin recipe features layers of thinly sliced potatoes baked to perfection in a creamy, cheesy sauce with hints of garlic and thyme. A classic side dish that’s perfect for any occasion!
Ingredients
Units
Scale
Sauce:
- 3 tablespoons butter
- 1 small onion, finely diced
- 1 clove garlic, minced/grated
- 1 teaspoon thyme, chopped (or 1/2 teaspoon dried thyme)
- 3 tablespoons flour (gluten-free for gluten-free)
- 1 1/2 cups milk (or heavy cream)
- 1 1/2 cups Gruyère cheese, shredded
- 1 pinch nutmeg (optional)
- Salt and pepper to taste
Potatoes:
- 4 pounds potatoes, thinly sliced
Instructions
- Melt the butter in a saucepan over medium heat, add the onion and cook until tender, about 3-5 minutes.
- Add the garlic and thyme and cook until fragrant, about a minute.
- Sprinkle in the flour, mix well, and cook until it starts to turn lightly golden brown, about a minute.
- Add the milk and cook until the sauce thickens, about 1-2 minutes.
- Reduce the heat, add 1/2 cup of the cheese, mix and let it melt into the sauce before adding the nutmeg and seasoning with salt and pepper to taste.
- Spread some of the sauce over the bottom of a large baking dish and place the potatoes in with sauce between each layer.
- Pour any remaining sauce over the potatoes in the pan, sprinkle on the remaining cheese.
- Bake in a preheated 350F/180C oven until the potatoes are tender, about 45-60 minutes.
Notes
- You can customize this gratin by adding other ingredients like bacon, mushrooms, or spinach.
- For a crispy top, broil the gratin for a few minutes at the end of baking.
Nutrition
- Serving Size: 1 serving
- Calories: 320
- Sugar: 3g
- Sodium: 380mg
- Fat: 15g
- Saturated Fat: 9g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 37g
- Fiber: 4g
- Protein: 10g
- Cholesterol: 45mg
