POTATO, LEEK, GRUYèRE AND OYSTER MUSHROOM GRATIN

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Potato, Leek, Gruyère and Oyster Mushroom Gratin image

Categories     Milk/Cream     Mushroom     Potato     Side     Bake     Casserole/Gratin     Leek     White Wine     Winter     Swiss Cheese     Bon Appétit

Yield Serves 10

Number Of Ingredients 12

4 tablespoons (1/2 stick) butter
1 pound oyster mushrooms, halved if large
1 tablespoon minced garlic
4 cups thinly sliced leeks (white and pale green parts only; about 4 large)
1 tablespoon minced fresh thyme
1 3/4 cups canned low-salt chicken broth
1 3/4 cups whipping cream
1/4 cup dry white wine
1 teaspoon salt
1/2 teaspoon ground black pepper
3 3/4 pounds russet potatoes, peeled, thinly sliced into rounds (about 8 cups)
2 1/2 cups grated Gruyère cheese (about 10 ounces)

Steps:

  • Melt 2 tablespoons butter in heavy large skillet over medium-high heat. Add mushrooms and sauté until almost tender, about 5 minutes. Add garlic and sauté until mushrooms are tender and golden, about 3 minutes longer. Transfer mushroom mixture to bowl. Melt remaining 2 tablespoons butter in same skillet over medium-high heat. Add leeks and thyme and sauté until leeks are tender and beginning to brown, about 8 minutes. Add leek mixture to bowl with mushrooms. (Can be made 1 day ahead. Cover and refrigerate.)
  • Preheat oven to 400°F. Butter 13 x 9 x 2-inch baking dish. Whisk broth, cream, wine, 1 teaspoon salt and 1/2 teaspoon pepper in large bowl to blend. Layer 1/3 of potatoes on bottom of prepared dish. Top with half of mushroom-leek mixture, then 3/4 cup cheese. Top with half of remaining potatoes. Pour half of cream mixture over. Top with remaining mushroom-leek mixture and 3/4 cup cheese. Cover with remaining potatoes. Pour remaining cream mixture over; sprinkle with remaining cheese.
  • Bake gratin uncovered until potatoes are tender and sauce bubbles thickly, about 1 hour 20 minutes. Let gratin stand 30 minutes before serving.

Nikki Z
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This gratin is a classic comfort food that's perfect for a family meal.


Lizalise Mshudulu
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This gratin is a bit time-consuming to make, but it's worth the effort. It's a delicious and impressive dish that's perfect for a special occasion.


JANI MIA
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I made this gratin for a potluck and it was a huge hit! Everyone loved it.


Omar Smart
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This gratin is a great way to use up leftover potatoes. I had some mashed potatoes that I didn't know what to do with, and this was the perfect solution.


Ayush Shrestha
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I'm not a fan of oyster mushrooms, so I omitted them from the recipe. It still turned out great!


Justin Hurley
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This gratin is the perfect comfort food for a cold winter day. It's cheesy, creamy, and flavorful.


Ali shan Shan
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The gratin was easy to make, but it didn't turn out as I expected. The potatoes were a bit too firm and the cheese wasn't melted all the way through.


Legand Boy
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This gratin was a bit too rich for my taste. I think I would have liked it better with less cheese.


Kevin Kevo
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I'm not a big fan of Gruyère cheese, so I used a combination of cheddar and mozzarella instead. It turned out great!


Murtaza Ali 1212
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This was a delicious and easy-to-make gratin. I used a combination of baby potatoes and Yukon Gold potatoes, and they both worked well. The leeks and oyster mushrooms added a nice depth of flavor.


Nesha Walz
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I love the combination of flavors in this gratin. The Gruyère cheese is nice and nutty, and the oyster mushrooms add a nice umami flavor. The potatoes are also cooked perfectly - they're tender and creamy.


Nala Mattai
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This gratin was a hit with my family! The flavors of the potato, leek, Gruyère, and oyster mushrooms blended together perfectly. The texture was also great - the potatoes were tender and the cheese was gooey and melted. I will definitely be making th