Irresistible Charred Leek Potato Gratin
A comforting dish with creamy layers of tender potatoes, smoky charred leeks, and bubbling cheese. Perfect for cozy dinners or holiday gatherings.
- Prep Time: 20 minutes
- Cook Time: 1 hour
- Total Time: 1 hour 20 minutes
- Yield: 6 servings 1x
- Category: Side Dish
- Cuisine: French
Ingredients
Scale
- 2 large leeks, cleaned and sliced lengthwise
- 4 medium Yukon Gold potatoes, peeled and thinly sliced
- 1 ½ cups (360 ml) heavy cream
- 2 tablespoons (28 g) unsalted butter
- 2 cloves garlic, minced
- 1 ½ cups (150 g) Gruyère cheese, shredded
- Salt and pepper to taste
- A pinch of nutmeg (optional)
Instructions
- Preheat the oven to 375°F (190°C) and grease a 9×13-inch baking dish with 1 tablespoon of butter.
- Heat a large skillet over medium-high heat and melt the remaining tablespoon of butter. Place the leeks cut-side down and cook for 3-4 minutes until golden and slightly charred. Flip and cook another 2 minutes. Remove from heat and set aside.
- Peel and slice the potatoes thinly (about ⅛ inch thick) using a mandoline or sharp knife.
- In a bowl, whisk together the heavy cream, minced garlic, salt, pepper, and nutmeg.
- Arrange one layer of potatoes in the baking dish, slightly overlapping the slices. Pour a small amount of the cream mixture over the potatoes and sprinkle with Gruyère cheese. Repeat the process, adding layers of potatoes, cream, and cheese until all ingredients are used, finishing with a generous layer of cheese on top.
- Nestle the charred leeks into the top layer of the gratin, pressing them gently into the cheese.
- Cover the dish with foil and bake for 40 minutes. Remove the foil and bake uncovered for an additional 20 minutes or until the top is golden brown and bubbling.
- Let the gratin rest for 5-10 minutes before serving.
Notes
[‘Watch the leeks closely while charring to avoid burning.’, ‘Thin, uniform slices of potatoes ensure even cooking.’, ‘Taste the cream mixture before layering to ensure proper seasoning.’, ‘Gruyère cheese melts beautifully, but sharp cheddar can be used as an alternative.’, ‘Allow the gratin to rest before serving to ensure the layers set properly.’]
Nutrition
- Serving Size: 1 portion
- Calories: 350
- Sugar: 2
- Sodium: 350
- Fat: 22
- Saturated Fat: 14
- Carbohydrates: 28
- Fiber: 3
- Protein: 10
Keywords: potato gratin, charred leeks, comfort food, creamy potatoes, holiday side dish