Celery Root Au Gratin Recipes

CELERY ROOT GRATIN

Steps:

• Peel and coarsely chop the potatoes and the celery root. Put potatoes and celery root in separate pots and add salt to each.
• Boil the potatoes and celery root until soft, and then drain them.
• Pour the heavy cream into a pot and bring it to a boil. Add the butter, saffron, garlic, and 1 cup of the gruyere. Cook about 5 minutes over moderately low heat until the cream mixture is bright yellow.
• Puree drained celery root in food processor, gradually adding yellow cream mixture.
• Mash the drained potatoes to a rough texture.
• Add pureed celery root to mashed potatoes. Add the rest of the gruyere and mix together. Season with salt and pepper.
• Butter a 13 by 9-inch gratin dish and put the puree in it. Sprinkle with the parsley.
• Bake at 400 degrees for about 15 minutes.

CELERY ROOT AU GRATIN

Steps:

• Peel celery root and cut into 1-inch cubes. There should be 6 to 7 cups.
• Peel potatoes and cut into 1-inch cubes. Combine potatoes and celery-root pieces in a saucepan. Add water to cover and salt to taste. Bring to a boil and cook about 15 minutes or until vegetable pieces are tender.
• Meanwhile, preheat broiler to high.
• Drain vegetables and pour them into the bowl of a food processor. Blend thoroughly and add salt, pepper, nutmeg, butter and cream. Blend well.
• Spoon and scrape mixture into a small baking dish and smooth over the top. Sprinkle evenly with Parmesan cheese.
• Place dish under broiler about 6 inches from heat. Broil about 5 minutes or until cheese is nicely browned and glazed.

GRATIN OF CELERY ROOT AND POTATO

Steps:

• Preheat the oven to 375 degrees F.
• Slice the potatoes into 1/4-inch-thick rounds. Peel the celery root and cut into 1/4-inch-thick slices to resemble the potatoes.
• Butter a heavy oval casserole dish. Layer the potatoes in the bottom of the dish, followed by the butter and then a layer of celery root. Sprinkle with sea salt. Top with a layer of half of the cheese. Repeat with the remaining potato and celery root. Top with the cream and then the remaining cheese.
• Bake until deep golden brown, about 1 hour.

CELERY AU GRATIN

Steps:

• Trim the celery and peel each stalk using potato peeler to remove the tough strings.
• Cut the sticks into ¼” by 2½” chunks.
• Preheat the oven to 355 F.
• Roughly dice the carrot and onions.
• Place these and the herbs in a heatproof casserole.
• Put the celery on top and cover two thirds of it with water.
• Season it.
• Cover this with foil and fit the casserole lid on top of the foil.
• Cook in the oven for one hour.
• Remove the celery to a container, leaving the carrot and onion in the casserole and reduce the liquid to approx 7 fl oz.
• Strain the liquid and reserve it.
• Melt the butter in a saucepan.
• Stir in the flour and cook this mixture for a couple of minutes.
• Next, incorporate the milk and then the cream.
• Cook the sauce until it thickens.
• Stir in the reduced stock and the cheese.
• Cook the sauce for a couple of minutes and season it; it should be the thickness of heavy cream.
• Layer the sauce and the celery in an au gratin dish.
• Scatter the breadcrumbs on top.
• Bake for 40 minutes at 355 F.
• If necessary the surface can be browned under the broiler.

POTATO & CELERY ROOT GRATIN WITH LEEKS

Steps:

• Preheat oven to 350°F. Heat cream, garlic, and thyme sprig in a medium saucepan just until bubbles begin to form around edge of pan. Remove from heat; set aside to steep.
• Melt 1 tablespoon butter in a medium skillet over medium heat. Add leeks; season with salt and cook, stirring often, until tender (do not brown), 10-12 minutes. Transfer to a small bowl and set aside.
• Butter a 3-quart gratin dish with remaining 1 tablespoon butter. Layer 1/3 of potato slices and 1/3 of celery root slices evenly over bottom of baking dish. Cover with 1/3 of leeks, then 1/3 of Gruyère. Sprinkle with salt, pepper, and 1 teaspoon thyme leaves. Repeat layers twice more. Strain cream mixture into a medium pitcher and pour over vegetables.
• Set gratin dish on a large rimmed baking sheet and cover tightly with foil. Bake for 1 hour. Carefully remove foil; continue baking until top is golden brown and sauce is bubbling, 25-30 minutes. DO AHEAD: Can be made 2 hours ahead. Let stand at room temperature. Tent with foil and rewarm in a 300° oven until hot, about 20 minutes.

GRATIN OF CELERY ROOT

Steps:

• Trim and peel celery root. Cut in three-fourth-inch cubes, placing them in a bowl of water as you proceed.
• Combine in saucepan with broth, milk, water, savory and one teaspoon salt; liquid should not quite cover. Gently simmer, covered, until barely tender -- about 10 minutes.
• With a slotted spoon transfer cubes to buttered shallow baking dish of one-and-a-half quart capacity. Strain and reserve liquid. Heat butter in rinsed-out saucepan. Add flour; stir on low heat until golden. Add one-and-a-half cups cooking liquid. Whisk over moderate heat until liquid boils.
• Sprinkle nutmeg on celery root. Season sauce with salt and pepper to taste; pour over cubes. Sprinkle cheese to cover evenly. Bake in center of preheated 350-degree oven for about 35 minutes, until lightly browned and bubbly.

ROOT-VEGETABLE GRATIN

Steps:

• Preheat oven to 350 degrees.
• Spray a shallow 9-by-13-inch baking dish with nonstick cooking spray. Sprinkle bottom of dish with salt and pepper. Set aside 1 cup cheese. Place a layer of sweet potatoes, in an overlapping fashion, on bottom of baking dish; sprinkle with some of the remaining 2 cups cheese. Top with a layer of yellow beets, overlapping in the same fashion; sprinkle with more of the remaining cheese. Repeat process making a layer of parsnips, followed by celery root, and Yukon gold potatoes, topping each layer evenly with some of the remaining cheese.
• Gently pour cream over vegetables. Cover baking dish with parchment paper-lined aluminum foil; place baking dish on a rimmed baking sheet. Transfer to oven and bake until a knife is easily inserted into gratin. Uncover and sprinkle reserved cheese over top; increase oven temperature to 425 degrees. Return baking dish to oven and continue baking until cheese is browned and bubbly, about 15 minutes more.
• Remove baking dish from oven and let gratin stand 30 minutes before serving.

POTATO AND CELERY ROOT GRATIN WITH FONTINA CHEE]SE

Steps:

• Preheat oven to 400° F. Mix salt, pepper and nutmeg in small bowl. Sprinkle half of shallots in 16-cup oval gratin dish or 15x10x2-inch glass baking dish. Top with half of celery root and half of potatoes. Sprinkle half of spice mixture over. Repeat layering with remaining shallots, celery root, potatoes and spice mixture. Bring cream and broth to simmer in medium saucepan. Pour over vegetables. Cover tightly with foil.
• Bake until vegetables are almost tender, about 45 minutes. Increase oven temperature to 450° F. Press potatoes with spatula to even thickness. Bake uncovered until juices thicken, about 10 minutes. Top with cheese. Bake until cheese melts and browns, about 15 minutes. Cool 15 minutes before serving.

CELERIAC GRATIN

Steps:

• Heat oven to 400 degrees. Butter a 1 1/2-quart gratin dish. Scatter shallots over bottom of dish. Trim celeriac by cutting off bottom and top, then cutting off thick outer layer with a sharp knife. Cut into 1/4-inch slices and then julienne. Arrange evenly in gratin dish. Sprinkle thyme leaves over celeriac.
• In a small bowl, whisk together cream, mustard, nutmeg, and salt and pepper. Pour over celeriac and sprinkle with cheeses. Cover with foil and bake for 20 minutes.
• Remove foil and continue baking until top is brown and bubbly and cream is thickened and reduced, about 20 more minutes. Let cool for 10 minutes and serve.

CHEF JOHN'S ROOT VEGETABLE GRATIN

Steps:

• Preheat the oven to 375 degrees F (190 degrees C).
• Bring a large pot of generously salted water to a boil. Add the vegetables, and cook uncovered for 3 minutes. Drain in a colander, then immediately immerse in ice water for several minutes until cold to stop the cooking process. Once the vegetables are cold, drain well, and set aside.
• Cook garlic and butter in a large skillet over medium heat until garlic starts sizzling, about 3 minutes.
• Stir in chicken broth, heavy cream, thyme, nutmeg, and cayenne pepper; cook until mixture begins to simmer, about 5 minutes.
• Coat a 9x13-inch baking dish with olive oil and spread vegetables evenly over the oil.
• Pour broth and cream mixture over vegetables and top with half of the grated Parmigiano-Reggiano cheese.
• Cover baking dish loosely with aluminum foil, place on a baking sheet, and bake in the preheated oven for 40 minutes.
• Remove baking dish from the oven and top with remaining Parmigiano-Reggiano. Bake uncovered until vegetables are browned, bubbling, and tender, about an additional 30 minutes.
• Remove from the oven and let rest for 20 minutes.