Description
A comforting and creamy potato gratin made with layers of thinly sliced potatoes, onions, and rich Gruyère cheese.
Ingredients
Scale
- 4 cups thinly sliced Russet or Yukon Gold potatoes
- 2 large yellow onions, sliced
- 1 cup heavy cream
- 1 ½ cups shredded Gruyère cheese
- 2 tablespoons butter
- 2 cloves garlic, minced
- 1 teaspoon fresh thyme (or to taste)
- Salt and pepper to taste
Instructions
- Preheat your oven to 375°F (190°C) and lightly grease a baking dish.
- In a skillet, melt the butter over medium heat. Add the onions and cook until golden brown, about 15-20 minutes.
- Stir in heavy cream and garlic; simmer for a few minutes.
- In the prepared baking dish, layer half of the potato slices. Pour half of the onion-cream mixture over them. Sprinkle with cheese. Repeat layers finishing with cheese on top.
- Cover with foil and bake for 60 minutes. Remove foil and bake an additional 15-20 minutes until bubbly and golden.
Notes
- For a richer flavor, you can add a pinch of nutmeg to the cream mixture.
- Let the dish rest for a few minutes before serving to allow it to set.
- Prep Time: 30 minutes
- Cook Time: 75 minutes
- Category: Side Dish
- Method: Baking
- Cuisine: French
Nutrition
- Serving Size: 1 cup
- Calories: 350
- Sugar: 3g
- Sodium: 500mg
- Fat: 25g
- Saturated Fat: 15g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 3g
- Protein: 8g
- Cholesterol: 60mg