Chicken Rice Gratin

Instructions

1. 1

   Preheat your oven to 200°C (390°F).

2. 2

   Dice the cooked chicken breast into bite-sized pieces and set aside.

3. 3

   Finely chop the onion.

4. 4

   In a large skillet, heat the olive oil and butter over medium heat. Add the chopped onion and sauté until translucent, about 5 minutes.

5. 5

   Sprinkle the flour over the onions and stir well, cooking for 1-2 minutes to form a roux.

6. 6

   Gradually pour in the whole milk, whisking constantly to avoid lumps. Cook until the sauce thickens, about 3-4 minutes.

7. 7

   Add the nutmeg, salt, and pepper to the sauce. Stir in half of the Gruyère cheese until melted and smooth.

8. 8

   Add the cooked chicken and rice to the sauce, mixing well to combine everything evenly.

9. 9

   Transfer the mixture to a greased baking dish and spread it out evenly.

10. 10

    Sprinkle the remaining Gruyère cheese over the top.

11. 11

    Bake in the preheated oven for 20-25 minutes, or until the top is golden and bubbling.

12. 12

    Remove from the oven and let it rest for a few minutes before serving. Enjoy your Chicken Rice Gratin!