Best 10 Potato Leek Gruyère And Oyster Mushroom Gratin Recipes

POTATO, LEEK, GRUYERE, AND OYSTER MUSHROOM GRATIN

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 13x9x2-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.

POTATO AND MUSHROOM GRATIN

Steps:

• In a saucepan, combine milk, cream, garlic, 3 thyme sprigs and 1 bay leaf over low-medium heat. Heat to just under a boil. Remove from heat, cover, and let steep while preparing the rest of the dish.
• Coat a skillet with olive oil and place over medium heat. Add remaining thyme and bay leaf. Saute the mushrooms and leeks for 5 minutes to evaporate the liquid. Season with salt and pepper.
• Butter a large casserole dish. Arrange 1/3 of the sliced potatoes on the bottom of the pan, overlapping them slightly. Season the potatoes with chopped parsley, chives, salt and pepper. Top potatoes with half of the mushroom mixture. Repeat layering 1/3 of the potatoes and remaining mushroom mixture. Arrange remaining potatoes on top. Press the layers down with a spatula to condense. Remove the solids from the infused milk and pour over the potatoes. Sprinkle the surface with cheese. Cover the pan with foil and place in a preheated 375 degrees F oven. Bake for 1 hour until the potatoes are tender. Uncover and bake for 15 additional minutes until cheese melts and gratin is golden around the edges. Let stand 10 minutes before cutting. Garnish with fresh parsley.

LEEK AND MUSHROOM GRATIN

Steps:

• Melt 2 tablespoons butter in a small saucepan over low heat, then cool.
• Toss melted butter with bread crumbs, cheeses, garlic, parsley, 1/4 teaspoon salt, and 1/8 teaspoon pepper in a bowl until combined.
• Trim each leek to an 8-inch length (reserve tops for another use if desired). Halve leeks lengthwise, then cut crosswise into roughly 1-inch pieces. Wash leeks, then drain well.
• Melt 1 tablespoon butter in a 1-to 1 1/2-quart heavy saucepan over medium heat. Add flour and cook roux, whisking, 1 minute. Add stock in a slow stream, whisking, then bring to a boil, whisking. Add nutmeg and zest and boil, whisking, 1 minute. Remove from heat.
• Preheat oven to 400°F. Butter baking dish.
• Melt 1 tablespoon butter in a 12-inch heavy skillet over medium-low heat. Add leeks and 1/4 teaspoon each of salt and pepper, then cover leeks directly with a round of parchment paper and cook, stirring occasionally, until liquid is absorbed and leeks are tender and just beginning to brown, 10 to 15 minutes.
• Meanwhile, heat remaining 2 tablespoons butter in a large heavy skillet over medium heat until foam subsides. Add mushrooms and 1/4 teaspoon each of salt and pepper and cook, stirring occasionally, until liquid is absorbed and mushrooms are just beginning to brown, about 15 minutes. Remove from heat.
• Remove parchment from leeks and stir in mushrooms. Transfer mixture to baking dish, spreading it evenly. Pour sauce over vegetables and top with crumb mixture. Bake until gratin is bubbling and topping is golden, about 15 minutes.

LEEK AND MUSHROOM GRATIN

Steps:

• Preheat oven to 350. Lightly grease/spray a 2-qt casserole dish.
• In a large skillet, melt butter. Add leeks and mushrooms, and salt, pepper and paprika cover and saute for 10-12 minutes; Remove from heat.
• Add light cream, parmesan cheese and swiss cheese. Stir to combine well; pour into prepared casserole dish. Sprinkle breadcrumbs on top.
• Bake at 350 for 20-25 minutes.

POTATOES WITH LEEKS AND GRUYèRE

Steps:

• Preheat oven to 350°F. Butter 13 x 9 x 2-inch baking dish. Melt 2 tablespoons butter in large skillet over medium heat. Add leeks; sauté until tender, about 10 minutes. Transfer to large bowl.
• Blend cream cheese, salt, pepper and nutmeg in processor. Add milk and eggs. Process just until blended. Transfer to bowl with leeks. Add potatoes and Gruyre. Stir to blend. Transfer mixture to prepared baking dish.
• Bake potatoes until cooked through and top is brown, about 1 hour. (Can be prepared 1 day ahead. Cool slightly. Cover and refrigerate. Rewarm, covered, in 350°F. oven, about 25 minutes.)

POTATO LEEK GRATIN

Steps:

• Heat oven to 350 degrees and butter a 2-quart gratin dish. Wash the leeks to remove any grit and slice thinly crosswise.
• Using a mandoline or sharp knife, slice the potatoes into rounds, 1/8-inch thick. Toss with 3/4 teaspoon salt and 1/4 teaspoon pepper. Layer the rounds in the gratin dish.
• Melt the 2 tablespoons butter in a large skillet over medium heat. Add leeks, remaining salt and pepper, and thyme. Cook, stirring, until leeks are tender and golden, 5 to 7 minutes. Discard thyme and scatter the leeks over the potatoes.
• Add cream, garlic and bay leaf to the skillet, scraping up browned bits of leeks from the bottom of the pan. Simmer gently for 5 minutes. Stir in nutmeg.
• Pour the cream over the leeks and potatoes and top with the Gruyère. Cover with aluminum foil and transfer to the oven. Bake for 40 minutes, uncover and bake until the cheese is bubbling and golden, 15 to 20 minutes longer. Let cool slightly before serving.

POTATO & LEEK GRATIN

Steps:

• Place the broth in a large saucepan along with the seasonings (1 1/2 teaspoons thyme, garlic chips, salt and pepper).
• Trim off the dark green part of the leek. (Use for another purpose.) Take the white-light green portion and split in half lengthwise. Place that in a water bath and rinse well, changing water as needed in order to remove all dirt and sand from the leek. Once clean, slice the leek into thin half discs. Place into the pot of seasoned broth.
• Peel potatoes and slice very thin by hand or by using a mandoline or food processor. Slices should be less than 1/4 inch thick. Place potatoes in the saucepan.
• Preheat oven to 400 degrees.
• Heat contents of the saucepan to a boil over medium-high heat. Reduce flame to a simmer and cook until the potatoes are tooth tender - you can bite'em but they still have some resistance - about 5 minutes.
• Place the contents of the saucepan into 6 individual gratin dishes, ramekins or custard cups. Press down to level the tops. (should your mixture only partially fill the dishes, add a mixture of water and additional broth so that the tops of the contents is within a half inch of the lip of the dish.) Garnish with the remaining thyme.
• Set the dishes on a baking sheet and bake for 30 minutes. Check for potatoes for doneness. Apply a *very* quick application of cooking spray to the tops to aide crispness. Cook an additional 10 minutes or until the potatoes are done and the tops are a crispy golden brown.
• For Vegetarian do not use the Chicken Broth option.

POTATOES WITH LEEKS AND GRUYERE

Steps:

• Preheat oven to 350°F Butter 13x9x2-inch baking dish. Melt 2 tablespoons butter in large skillet over medium heat. Add leeks; saute until tender, about 10 minutes. Transfer to large bowl.
• Blend cream cheese, salt, pepper and nutmeg in processor. Add milk and eggs. Process just until blended. Transfer to bowl with leeks. Add potatoes and Gruyère. Stir to blend. Transfer mixture to prepared baking dish.
• Bake potatoes until cooked through and top is brown, about 1 hour. (Can be prepared 1 day ahead. Cool slightly. Cover and refrigerate. Rewarm, covered, in 350°F oven, about 25 minutes.).

POTATO MUSHROOM GRATIN

Steps:

• Preheat the oven to 425°F/220°C/Gas 7.
• Coat a 9-inch square casserole or baking dish with olive oil, and lay the rosemary sprig on the bottom.
• Layer half of the potato slices over the bottom of the dish and top with half of the sliced mushrooms, half of the garlic, half of the thyme and half of the walnuts; and sprinkle generously with the olive oil, salt, and pepper.
• Top with the remaining potatoes, then scatter the remaining mushrooms, garlic, thyme and walnuts over the top of the mixture, and sprinkle with olive oil, salt and pepper.
• Bake, uncovered, until the top is golden and crusty, about 1 hour.
• Serve hot.

CREAMY POTATO AND LEEK GRATIN

Steps:

• Preheat oven to 400°F with rack in middle. Generously butter a 3-qt shallow baking dish. Cut a round of parchment paper to fit just inside a 12-inch heavy skillet, then set parchment aside.
• Halve leeks lengthwise, then cut crosswise into 1 1/2-inch pieces (you should have about 8 cups). Wash leeks.
• Cook leeks in butter with 1/2 tsp salt and 1/4 tsp pepper, covered with parchment round, in skillet over medium heat, stirring occasionally, until tender, 10 to 12 minutes.
• Meanwhile, peel potatoes and slice crosswise 1/16 inch thick with slicer. Transfer to a large heavy pot with cream, milk, thyme, 1 tsp salt, and 1/2 tsp pepper and bring to a boil over medium heat, stirring occasionally (liquid will thicken). Stir in leeks, then transfer to baking dish.
• Bake, uncovered, until potatoes are tender, 45 minutes to 1 hour. Let stand 10 minutes before serving.
• Do Ahead
• Gratin can be baked 2 days ahead and chilled. Let stand at room temperature 30 minutes, then reheat, covered, in a 350°F oven until hot, about 30 minutes.