SO-CAL SWEET POTATO AND POTATO GRATIN

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So-Cal Sweet Potato and Potato Gratin image

Provided by Valerie Bertinelli

Categories     side-dish

Time 1h55m

Yield 8 servings

Number Of Ingredients 10

3 poblano peppers
Unsalted butter, for the baking dish
2 cups heavy cream
1 1/2 teaspoons kosher salt
1 teaspoon finely grated lime zest
1/2 teaspoon ground cumin
1 garlic clove, finely grated
3 sweet potatoes
2 russet potatoes
1 cup crumbled Cotija

Steps:

  • If you have a gas burner, roast the poblano peppers over the open flame, turning occasionally with tongs, until the peppers are well charred all over, about 4 minutes. If you do not have a gas burner, halve the peppers lengthwise, place them in a baking pan and broil them in a preheated broiler, skin-side up, until well charred. Place the charred peppers in a bowl and cover with plastic wrap for 10 minutes. Peel, stem and deseed the peppers, then cut into strips.
  • Preheat the oven to 400 degrees F. Butter a 9-by-13-inch baking dish.
  • Stir together the cream, salt, lime zest, cumin and garlic in a bowl.
  • Peel the sweet potatoes and russet potatoes and thinly slice them with a mandoline (about 1/4-inch thick).
  • Arrange half of the russet potatoes in the buttered baking dish. Top with half of the sliced poblanos, then half of the sweet potatoes. Top with half of the cream mixture and 1/3 cup Cotija. Repeat with the remaining ingredients (potatoes, poblanos, sweet potatoes, cream and the remaining 2/3 cups Cotija) and press down firmly to submerge the potatoes as much as possible.
  • Cover the baking dish tightly with foil and bake for 35 minutes. Uncover and continue to bake until the potatoes are tender, the liquid has absorbed, and the top is browned in spots, 25 to 30 minutes more.
  • Let stand 10 minutes before serving.

Nothando Mzimela
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This dish was a bit too sweet for my taste. I think I'll use less sweet potatoes next time.


Khan zaman Khan
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I added some chopped bacon to the topping and it was amazing! Thanks for the inspiration.


Imran Harripersaud
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This recipe is a keeper! The gratin was cheesy, creamy and flavorful. Highly recommend.


Orimwesiga Darius
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Just wondering if this dish can be made ahead of time? Thanks!


Chris Chan
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This dish is always a crowd-pleaser. I make it for every holiday gathering.


Mehtab Ali
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Followed the recipe exactly and it turned out great! Will definitely make this again.


Diego Longoria
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I'm not a big fan of sweet potatoes, but this dish was surprisingly delicious. The combination of flavors and textures was perfect.


MD Susan
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This recipe was a bit too bland for my taste. I added some extra garlic and thyme and it was much better.


Darlene Arguelles
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Can you recommend a good white wine to pair with this dish?


Siyanaufkrkd Daskalova
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Just made this dish for the second time and it's even better than I remembered. Thanks for sharing this recipe.


Lj Slash
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The So Cal Sweet Potato and Potato Gratin was a hit at our dinner party. Everyone loved the unique flavor combination.


yansha teryila
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Can I substitute parsnips for the sweet potatoes? Thanks!


Lwandle Mnisi
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This recipe gets rave reviews from my family and friends.


Osakwe Michael
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Easy to follow recipe. Came out delicious! A definite keeper.


debra davis
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This dish was absolutely divine! The potatoes and sweet potatoes were perfectly cooked and the topping was crispy and flavorful. I loved the combination of the sweet and savory flavors.