Roasted Portobello And Potato Gratin Recipes

POTATO/PORTOBELLO GRATIN

Steps:

• Heat oven to 400ºF. Butter a 9-by-13-inch baking dish and set aside.
• Using a mandoline or the slicing attachment on a food processor, slice the potatoes approximately 1/8-inch thick. (If you don't want to slice all the potatoes at once, slice them one at a time and build the gratin as you go.) Create the first layer by laying the slices in overlapping rows in the baking dish. Once the first layer is down, season lightly with salt and pepper, then scatter with mushroom slices and a couple tablespoons of the cheese. (Don't over-do it on these layers, if you create a barrier between the adjoining potato layers, the gratin won't set.) Continue building layers until you're out of potatoes or out of room to build, but be sure to save 1/2 cup of the cheese for the top.
• Pour 2/3 cup of the half-and-half over the gratin then spread both hands over the surface and push down to work the air out from the layers. Add remaining liquid only if half-and-half does not come to the surface when you push down. Sprinkle the gratin with cheese, cover loosely with foil, and place in middle of oven for 1 hour. Check for doneness by inserting the point of a paring knife straight into the gratin. If it goes through smoothly, remove the foil, return to oven, and turn on the broiler just long enough to turn the top golden brown. Remove and allow to sit at room temperature for 15 to 20 minutes before serving.

POTATO/PORTOBELLO GRATIN

Steps:

• Heat oven to 400 degrees and butter a 9 by 13-inch baking dish and set aside.
• Using a mandolin, V-slicer or the slicing attachment on a food processor, slice the potatoes approximately 1/8-inch thick. (If you don't want to slice all the potatoes at once, slice them one at a time and build the gratin as you go.) Create the first layer by laying the slices in overlapping rows. Once the first layer is down, season lightly with salt and pepper, then scatter with mushroom slices and a couple tablespoons of the cheese. (Don't over-do it on these layers, if you create a barrier between the adjoining potato layers, the gratin won't set.) Continue building layers until you're out of potatoes or out of room to build, but be sure to save 1/2 cup of the cheese for the top.
• Pour 2/3 cup of the half and half over the gratin then spread both hands over the surface and push down to work the air out from the layers. Add remaining liquid only if half and half does not come to the surface when you push down. Sprinkle the gratin with cheese, cover loosely with foil and place in middle of oven for 1 hour. Check for doneness by inserting the point of a paring knife straight into the gratin. If it goes through smoothly, remove the foil, return to oven, and turn on the broiler just long enough to turn the top golden-brown. Remove, and allow to sit at room temperature for 15 to 20 minutes before serving.

ROASTED PORTOBELLO AND POTATO GRATIN

Steps:

• Heat oven to 400 degrees. Line a baking sheet with sides with a sheet of parchment. Place mushrooms gill side up on parchment. Thinly slice 3 garlic cloves, and scatter over mushrooms. Place a thyme sprig on each mushroom, drizzle caps with olive oil, salt and pepper, and place in oven until soft and releasing liquid, 10 to 15 minutes. Remove, and allow to cool. Keep oven on.
• Heat 1 tablespoon butter in a skillet, add onions, and sauté over medium-low heat until soft and beginning to color. Add cream and milk, scald, and remove from heat. Use remaining butter to grease a 9-inch gratin dish about 2 inches deep. Rub dish with remaining garlic clove.
• Remove and reserve garlic from mushrooms. Discard thyme. Slice mushrooms 1/2 inch thick.
• Peel and thinly slice potatoes. Place 1/3 of the potatoes in gratin dish, season with salt, pepper and nutmeg, scatter with half the reserved sliced garlic. Arrange half the mushroom slices on top. Repeat layers. Layer last third of potatoes on top. Season with salt and pepper. Pour scalded milk and cream with onions on top. Strew bread crumbs on top.
• Place gratin dish on a baking sheet, and place in oven. Bake about 1 hour, until potatoes are tender and liquid has thickened. If top browns too fast, tent with foil. Allow to stand 10 minutes, then serve.

POTATO AND PORTOBELLO MUSHROOM GRATIN

Steps:

• Combine 1 1/2 cups hot water and porcini in small bowl. Let stand until mushrooms soften, about 30 minutes. Drain, reserving 2/3 cup soaking liquid. Chop porcini; set aside. Remove and chop stems from portobellos; place in large bowl. Using small spoon, scrape away dark gills from portobellos and discard. Cut portobello caps into 1/2-inch pieces; add to bowl.
• Heat 3 tablespoons olive oil in heavy large skillet over medium-high heat. Add chopped portobello stems and caps and sauté 4 minutes. Stir in garlic and reserved porcini and sauté until mushrooms are tender, about 10 minutes. Season with salt and pepper. Remove from heat.
• Preheat oven to 375°F. Coat each of two 13x9x2-inch glass baking dishes with 1 tablespoon oil. Combine remaining 7 tablespoons oil, potatoes, parsley, thyme, rosemary, salt and pepper in large bowl; toss to coat. Layer 1/6 of potato mixture in each prepared dish (there will not be enough to overlap slices). Top potatoes in each with 1/4 of mushroom mixture. Repeat layering. Top with remaining potatoes. Pour 1/3 cup reserved porcini soaking liquid over potatoes in each dish. Cover dishes with foil.
• Bake gratins 45 minutes. Uncover and bake until tops are brown and potatoes are tender, about 40 minutes longer. (Can be prepared 2 hours ahead. Let stand at room temperature. Cover with foil and rewarm in 350°F oven about 20 minutes.)
• *Dried porcini mushrooms are available at Italian markets, specialty foods stores and many supermarkets.

BAKED PORTOBELLOS WITH POTATOES AND SOUR CREAM

Steps:

• Preheat oven to 425 degrees. Toss the potatoes with the oil and 1 teaspoon of salt and transfer them to a greased baking sheet large enough to hold them in a single layer. Bake, turning the potatoes once, until lightly browned, 20 to 25 minutes. Set aside.
• Lower temperature to 400 degrees. Whisk together the eggs, 1/3 cup sour cream, thyme, 3/4 teaspoon salt and a few grinds of pepper. Stir in the portobello caviar. Brush the mushroom caps with olive oil, season them on both sides with salt and place them gill-side up on a greased baking sheet. Lay the potato slices over the mushrooms, letting some hang over the edges of the mushrooms like petals of a flower. Divide the caviar mixture evenly into 4 parts, mounding 1 part in the middle of each mushroom cap. Bake until the filling is set and the mushroom caps are very tender, about 30 minutes. Garnish each mushroom with a dollop of sour cream and parsley and serve.

POBLANO POTATO GRATIN

Steps:

• Roast chiles and make rajas:
• Roast chiles on their sides on racks of gas burners on high, turning with tongs, until skins are blackened all over, about 10 minutes. Immediately transfer to a bowl and let stand, covered tightly, 10 minutes.
• When chiles are cool enough to handle, peel or rub off skin. Slit chiles lengthwise, then stem, seed, and devein. Cut lengthwise into thin strips.
• Cook onions with 1 teaspoon salt in oil in a 12-inch heavy skillet over medium-low heat, stirring occasionally, until golden, about 8 minutes. Stir in chiles and remove rajas from heat. Reserve 1/2 cup rajas for topping.
• Make gratin:
• Preheat oven to 400°F with rack in middle. Generously butter a 3-quart shallow baking dish.
• Peel potatoes, then cut crosswise into 1/16-inch-thick slices with slicer. Transfer to a small heavy pot. Add cream, milk, and 1 teaspoon salt and bring just to a boil over medium heat, stirring occasionally (liquid will thicken). Stir in rajas, then pour mixture evenly into baking dish. Sprinkle reserved 1/2 cup rajas on top.
• Bake until potatoes are tender, 45 minutes to 1 hour. Let stand 15 minutes before serving.

PORTOBELLO MUSHROOM GRATIN

Steps:

• Preheat the oven to 400 degrees F (200 degrees C).
• Melt butter in a frying pan over medium heat. Add leeks and celery root and cook for 10 minutes. Add mushroom pieces, 1/2 of the tarragon, and 1/2 of the chives; continue cooking until mushrooms give off liquid, about 6 minutes more.
• Meanwhile, combine bread crumbs and Gruyere cheese in a mixing bowl.
• Add flour to the frying pan with the mushroom mixture. Add cream in a stream and stir until it becomes an even color, about 3 minutes. Add 1/2 of the bread crumb mixture and stir until cheese starts to melt, about 2 minutes. Turn off heat. Transfer mixture to a baking dish and top with remaining tarragon, chives, and bread crumb mixture. Add a small amount of water to moisten the mixture.
• Bake in the preheated oven until the cheese is bubbly, about 10 minutes.
• Use a spatula to scoop portions and serve immediately.

ROASTED PORTOBELLOS WITH ROSEMARY

Steps:

• Preheat oven to 450 degrees. Place trimmed mushrooms, stem side up, on a rimmed baking sheet. In a bowl, combine the extra-virgin olive oil and fresh lemon juice. Pour over mushrooms and top with garlic slices, and rosemary. Season with coarse salt and ground pepper. Roast until tender, 10 to 15 minutes.

PORTOBELLO MUSHROOMS STUFFED WITH GRATINEED POTATOES

Steps:

• Heat oven to 400 degrees. Wrap garlic cloves in aluminum foil and bake until garlic is tender, 25 to 30 minutes. Remove from oven and set aside. When cool enough to handle, squeeze roasted garlic from skins and set aside. Leave oven at 400 degrees.
• Scrub potatoes and place in a large pot of cold water. Bring water to a boil, add 3 teaspoons salt, and reduce heat. Gently boil until potatoes are tender, about 40 to 50 minutes. Remove from heat and drain. Hold hot potatoes in a clean dish towel and peel.
• While potatoes are boiling, warm milk in a small saucepan over medium-low heat until bubbles form around the edges.
• Bring a large pot of water to a simmer. Using a ricer or a food mill, puree potatoes into a large metal bowl, then place bowl over the pot of simmering water. Add the roasted garlic, warm milk, Parmesan, butter, 1 teaspoon salt, and 1/4 teaspoon pepper to potatoes and stir until smooth and creamy. Cover bowl with aluminum foil and keep warm over the barely simmering water until ready to use.
• Meanwhile, wipe mushrooms with a cloth or soft brush to remove dirt. Remove and discard mushroom stems. Place mushroom caps in a large roasting pan, stem side down, and drizzle with 1 1/2 teaspoons olive oil. Season with 1/2 teaspoon salt and 1/8 teaspoon pepper. Turn and drizzle with remaining 1 1/2 teaspoons olive oil, and sprinkle with remaining 1/2 teaspoon salt, 1/8 teaspoon pepper, and thyme leaves. Place pan in oven and bake mushrooms until tender, about 15 to 20 minutes.
• Remove mushrooms from oven and heat broiler. Spoon about 1/2 cup potato puree onto each mushroom.
• Place under broiler until potatoes are golden brown, about 2 to 3 minutes and serve immediately.

ROASTED GARLIC AND HERB POTATO GRATIN

Steps:

• Preheat the oven to 375*F. Place the garlic cloves in a small, ovenproof pan and drizzle them with the olive oil. Roast the garlic in the preheated oven, stirring occasionally, for 35 to 45 minutes, until it is tender. Allow the garlic to cool for 10 minutes and then squeeze out the roasted garlic into a clean, medium-sized bowl.
• Mash the garlic with a fork until it's a smooth paste. Stir the crème fraiche, heavy cream, milk, salt, rosemary, sage, thyme, and ground black pepper until the mixture is smooth. Stir the grated Gouda cheese into the herbed cream mixture.
• Lower the oven heat to 350°F Butter a large baking dish and spread 2/3 cup of the herbed cream into the bottom of the dish. Layer half of the potatoes into the dish, and spread half of the remaining herbed cream onto the potatoes, and repeat the same process one more time. Press down on the top layer of potatoes, cover the pan with foil or a lid, and bake the gratin for 90 minutes. Allow it to cool for 15 minutes before serving.
• My Notes: This recipe calls for young Gouda cheese. Young Gouda can be easily identified by looking for a red or yellow wax wrapping. Aged Gouda, slighter bitter and stronger tasting, comes wrapped in black wax.

GARLIC POTATOES GRATIN

Steps:

• Preheat oven to 325 degrees F (165 degrees C). Lightly grease a 9x13 inch baking dish.
• In the prepared dish layer 1/2 of the potatoes, 1/2 of the cheese, then the remaining potatoes.
• Melt the butter in a small skillet over medium heat. Saute garlic until fragrant and golden brown; pour over potatoes.
• Combine cream, salt and pepper; pour evenly over potatoes and sprinkle with remaining cheese.
• Bake in preheated oven for 75 minutes. Serve immediately.

HERBED POTATO GRATIN WITH ROASTED GARLIC AND MANCHEGO

Steps:

• Preheat the oven to 357 degrees. In a cake pan, drizzle garlic with oil. Cover with foil and roast for 40 minutes, until tender. Let cool, then squeeze out cloves. Mash the garlic to a paste and transfer to saucepan.
• Add half-and-half, thyme, and rosemary. Bring to a boil and simmer over very low heat until reduced to 3 cups, approximately 20 minutes; season with salt and pepper.
• Arrange 1/4 of the potatoes in the bottom of a 9x13 baking dish. Top with 1/4 of the grated cheeses and drizzle lightly with the garlic cream.
• Repeat layering in the same way with the rest of the ingredients. Pour any remaining cream on top and press top layer of potatoes to submerge.
• Bake gratin for about 1-1/2 hours, until golden and bubbling. Let cool twenty minutes before cutting into squares and serving.