Creamy Leek and Gruyere Potato Gratin

Step by step

Method

1. 01

   Preheat the oven to 190°C (375°F) and grease a baking dish with a small portion of the butter.

2. 02

   Melt the remaining butter in a skillet over medium heat, add the sliced leek and thyme leaves, and cook for 6 minutes until tender.

3. 03

   Stir the heavy cream, milk, salt, black pepper, and nutmeg into the skillet with the leeks and heat gently for 2 minutes.

4. 04

   Layer half of the sliced potato in the baking dish, pour half of the cream and leek mixture over them, and sprinkle half of the shredded gruyere cheese.

5. 05

   Add the remaining potato slices, pour the rest of the leek cream mixture over the top, and finish with the remaining shredded gruyere cheese.

6. 06

   Cover with foil and bake for 35 minutes, then remove foil and bake uncovered for 15 minutes until the top is golden and potatoes are tender.