Hasselback Potato Gratin
Ingredients
- 2 tbsp. olive oil
plus more for baking dish
- 3 medium onions
thinly sliced
- Kosher salt and freshly ground black pepper
- 2 1/2 c. heavy cream
- 4 garlic cloves
thinly sliced
- 1 tbsp. chopped fresh thyme
- 1 tbsp. chopped fresh rosemary
- 8 oz. Gruyère
grated, divided, about 2 cups
- 4 oz. Parmesan
grated, divided, about 1 cup
- 3 1/2 lb. Yukon gold potatoes
peeled and sliced 1/4-inch thick
Directions
- 1
Heat oil in a large skillet over medium heat. Add onions and season with salt and pepper. Cook, stirring occasionally, until golden brown, 30 to 40 minutes.
- 2
Preheat oven to 350°F. Lightly grease a 3-quart baking dish. Combine onions, cream, garlic, thyme, rosemary, 1 2/3 cups Gruyère, and 2/3 cup Parmesan in a bowl. Season with salt and pepper.
- 3
Arrange potato slices vertically in prepared baking dish. Pour cream mixture over potatoes, making sure some of the mixture goes between the potatoes. Cover with aluminum foil.
- 4
Bake until potatoes start to soften, 50 to 60 minutes. Remove foil and bake until potatoes are golden brown, 25 to 30 minutes. Sprinkle with remaining 1/3 cup Gruyère and 1/3 cup Parmesan. Bake until cheese is golden brown and bubbling, 5 to 10 minutes.
Hasselback Potato Gratin
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About this Recipe
Looking for the ultimate holiday side dish that truly wows your guests? This Hasselback Potato Gratin transforms humble Yukon gold potatoes into an unforgettable centerpiece, perfect for your Thanksgiving or Christmas celebration. It's the kind of dish that garners admiration from the moment it hits the table, promising a decadent experience.
This Hasselback Potato Gratin masterfully combines the elegance of thinly sliced, fanned potatoes with the luxurious creaminess of a classic gratin. The secret lies in carefully slicing the Yukon gold potatoes, allowing a rich, aromatic blend of heavy cream, sautéed onions, garlic, fresh thyme, and rosemary to seep into every delicate layer. This technique ensures each potato slice is infused with flavor and becomes incredibly tender, rather than just coated, offering a depth that sets it apart.
Prepare for an indulgent experience with tender, almost custardy potato slices that melt in your mouth, enveloped in a rich, bubbling cream sauce. The aromatic fresh herbs—thyme and rosemary—mingle beautifully with the sweet, savory depth of caramelized onions and pungent garlic. A generous blanket of nutty Gruyère and sharp Parmesan bakes to a glorious golden-brown, creating a perfect crust that contrasts with the creamy interior. This dish is pure comfort, elevated, and designed to impress without being overly complicated.
While the classic combination of Gruyère and Parmesan is unbeatable, feel free to customize. You could swap in other good melting cheeses like Fontina or even a sharp white cheddar. For an extra aromatic twist, consider adding a pinch of freshly grated nutmeg to the cream mixture, or a touch of dried sage alongside the rosemary and thyme. If you don't have fresh herbs, dried versions can be used, remembering to reduce the quantity.
This luxurious gratin is destined to be the star side dish at any festive occasion, especially during the holidays. It pairs beautifully with roasted turkey, ham, or prime rib, providing a rich, satisfying counterpoint to your main course.