Ingredients
Equipment
Method
Preparation
- Preheat the oven to 350°F (180°C).
- Melt butter in a medium saucepan over medium heat and sauté the onion for 3-5 minutes until tender.
- Add garlic and thyme, stir until fragrant for about 1 minute.
- Sprinkle in flour, stirring constantly for about 1 minute to form a roux.
- Gradually whisk in milk, cooking until the sauce thickens (about 1-2 minutes).
- Stir in grated Gruyere cheese, nutmeg, salt, and pepper until the cheese is melted.
- Layer thinly sliced potatoes in a greased baking dish, pouring cheese sauce over each layer.
- Finish with remaining cheese sauce, covering the top layer of potatoes completely.
- Bake in the preheated oven for 45-60 minutes until golden brown and the potatoes are tender.
Nutrition
Notes
Use a mandoline for even potato slices. Adjust cooking time according to your oven's performance.
