Description
A creamy and structured dish of thinly sliced potatoes layered with caramelized onions and Gruyère cheese, perfect for family dinners.
Ingredients
Scale
- 2 medium Sweet Onions (Substitute yellow onions if needed)
- 2 tablespoons Butter (Can substitute with olive oil for a dairy-free option)
- to taste Salt
- to taste Pepper
- 2 pounds Potatoes (Russet or Yukon Gold preferred)
- 1 cup Heavy Cream (Milk or half-and-half can be used for a lighter option)
- 1 teaspoon Fresh Thyme (Dried thyme can be a substitute)
- 1 cup Gruyère Cheese (Swiss cheese can be used as an alternative)
Instructions
- Slice the onions and the potatoes very thin (about 1/8 inch) using a mandoline for even layers.
- Melt 2 tablespoons of butter in a skillet, add the onions, and cook until caramelized.
- Season onions with salt and pepper, stir in half the fresh thyme, and adjust seasoning if needed.
- Preheat the oven to 375°F and butter a baking dish.
- Arrange a thin layer of potato slices in the dish, cover with a third of the onions, season, and sprinkle Gruyère on top.
- Repeat layers two more times, finishing with a layer of potatoes and remaining Gruyère.
- Warm the heavy cream, pour over the bake, sprinkle with remaining thyme, salt, and pepper.
- Cover with foil and bake for 30 minutes, then remove foil and bake for another 15 minutes until golden.
- Let rest for 10 minutes before serving.
Notes
Allow the dish to rest after baking for cleaner slices. Serve with a green salad or roasted vegetables.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Category: Side Dish
- Method: Baking
- Cuisine: French
Nutrition
- Serving Size: 1 generous square
- Calories: 380
- Sugar: 5g
- Sodium: 600mg
- Fat: 25g
- Saturated Fat: 15g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 26g
- Fiber: 4g
- Protein: 9g
- Cholesterol: 75mg