Guests won't be able to get enough of this decadent and cheesy potato gratin, that will pair perfectly with just about any main course.
Course Christmas, Dinner, Holiday Recipes, Lunch, Side Dish, Thanksgiving
Cuisine French, Spanish, Worldwide
Keyword Christmas, Potato
Prep Time 20 minutesminutes
Cook Time 2 minutesminutes
Total Time 22 minutesminutes
Servings 6servings
Ingredients
2tbspolive oilplus more for baking dish
3medium onionsthinly sliced
kosher salt
freshly ground black pepper
2 1/2cupsheavy cream
2garlic clovessmashed
1tbspdry thyme
1tbspdry rosemary
8oz.grated cheese(about 2 cups), divided
4oz.parmesangrated (about 1 cup), divided
3 1/2lb.gold potatoespeeled
Instructions
Preheat oven to 350°F. Lightly grease a 3-quart baking dish.
Cut the potatoes vertically but do not cut them fully.
Note: use a large wooden spoon; put the potato in and than cut it.
Arrange potatoes in prepared baking dish.
Heat oil in a large skillet over medium heat. Add onions and season with salt and pepper. Cook, stirring occasionally, until golden brown, about 15 minutes.
Combine onions, cream, garlic, thyme, rosemary, 1 2/3 cups cheese and Parmesan in a bowl. Season with salt and pepper. Sprinkle with remaining cheese.
Pour cream mixture over potatoes, making sure some of the mixture goes between the potatoes. Cover with aluminum foil.
Bake until potatoes start to soften, 1 hour and 20 minutes. Remove foil and bake until potatoes are golden brown, 25 minutes. Bake until cheese is golden brown.