Vidalia Onion and Gruyere Potato Gratin

Serves 6

Ingredients:

Directions:

1. Preheat oven to 400 degrees F. Butter a 3-quart shallow baking or gratin dish; set aside.
2. Preheat large skillet over medium-high heat; add butter and Vidalia Onions to pan and sprinkle with sea salt and freshly ground pepper. Sauté for about 10 minutes, reduce heat to medium-low; continue to cook onions until deeply browned and caramelized, about 20 minutes more.
3. While onions are cooking, Add Yukon Gold potatoes to a large heavy sauce pan, fill with enough water to cover and add 1 tablespoon sea salt. Cover and bring to boil over high heat. Reduce heat and simmer 5 minutes; drain.
4. Arrange half of the potatoes on the bottom of prepared baking dish; top with half the caramelized onions, Sprinkle with salt and pepper. Sprinkle mixture with half of the Gruyere and Parmesan cheeses. Repeat layering. Pour heavy cream over the top and sprinkle with more salt and pepper.
5. Bake gratin uncovered in 400 degrees F oven until cream thickens, about 25 minutes. Remove from oven. Preheat broiler. Broil gratin until top is golden, about 2 minutes.