Sweet Onion Potatoes Au Gratin

1. 1

   Heat a skillet with the butter over medium heat.

2. 2

   Add the onions, season with salt, pepper, the thyme, and the bay leaf, and cook until very soft and sweet and lightly caramelized, about 20 minutes.

3. 3

   Remove the bay leaf.

4. 4

   While the onions cook, place the potatoes in a pot and cover with water.

5. 5

   Bring to a boil, salt the water, and cook until tender, 12 to 15 minutes.

6. 6

   Drain and return to the hot pot.

7. 7

   Mash the potatoes with the cream, season with salt and pepper, and mash in the Parm cheese.

8. 8

   Preheat the broiler.

9. 9

   Arrange the mashed potatoes in individual gratin dishes or a shallow casserole.

10. 10

    Top the potatoes with the onions and Gruyere cheese.

11. 11

    Brown the gratins under the hot broiler until bubbly, about 2 minutes.

* Per serving · 4 servings · Values may vary.

No additional tips available.