Sweet Potato and Gruyère Gratin
Description
This creamy sweet potato and Gruyère gratin recipe is elevated with a Gruyère cheese sauce made with heavy cream, parsley, thyme, sage, and rosemary.
Ingredients
•
3/4 cup whipping cream
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3/4 cup milk
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1/4 cup unsalted butter
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2 cloves garlic, minced
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1 tablespoon chopped fresh parsley
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1 tablespoon chopped fresh thyme
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1 tablespoon chopped fresh sage
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1 tablespoon chopped fresh rosemary
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1 1/2 teaspoons salt
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3/4 teaspoon ground black pepper
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3 pounds sweet potatoes, peeled and thinly sliced
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1 1/2 cups shredded Gruyere cheese
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aluminum foil
Directions
1
Preheat the oven to 400 degrees F (200 degrees C). Lightly grease a 9x13-inch baking dish.
2
Combine cream, milk, butter, and garlic in a small saucepan over medium heat; bring to a simmer. Off heat, stir in parsley, thyme, sage, rosemary, salt, and black pepper.
3
Arrange ½ sweet potatoes in the bottom of the prepared baking dish, pour ½ cream mixture on top, sprinkle with ½ Gruyère cheese. Repeat layers once more; cover dish with aluminum foil.
4
Bake in the preheated oven for 30 minutes. Remove foil; continue baking, uncovered, until potatoes are tender and cream mixture and cheese are bubbly and golden brown, about 15 minutes. Set aside before serving, 10 minutes.