Best Leek Soup Au Gratin Recipes

LEEKS AU GRATIN

Steps:

• Heat oven to 325°F. Grease bottom and side of shallow 2-quart casserole. Cut leeks into 1/2-inch pieces. In 3-quart saucepan, heat 2 inches water to boiling. Add leeks. Cover and cook over medium heat about 5 minutes or until crisp-tender; drain.
• In 2-quart saucepan, melt 2 tablespoons butter over low heat. Cook flour, salt and pepper over low heat, stirring constantly, until smooth and bubbly; remove from heat. Gradually stir in milk. Heat to boiling, stirring constantly. Boil and stir 1 minute. Stir in cheese until melted. Stir in leeks. Pour into casserole.
• In small bowl, mix bread crumbs and 2 teaspoons butter until crumbly. Sprinkle evenly over casserole.
• Bake uncovered about 25 minutes or until golden brown.

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.

FENNEL SOUP GRATIN

Steps:

• Melt the butter in a large stockpot over medium-high heat. Add the fennel, onions, and thyme and saute for 20 to 25 minutes, until the onions and fennel are very tender and caramelized. (You can add a little water if it starts to stick.) Deglaze the pan by adding the brandy; reduce the heat to medium and cook for 3 minutes, scraping the bottom of the pan. Add the sherry and white wine and simmer, uncovered, for 10 minutes. Add the chicken stock, salt, and pepper and continue to cook, uncovered, for another 15 minutes. Add the Pernod and cook for 5 more minutes. Check for salt and pepper.
• Preheat the broiler.
• Ladle the soup into 6 to 8 ovenproof bowls and place 1 or 2 slices of French bread and a handful of Gruyère cheese on top of each bowl. Place the bowls on a baking sheet and slide them under the broiler for 3 minutes, or until the cheese is brown and bubbly, and serve.

KIELBASA, POTATO AND LEEK GRATIN

Steps:

• Preheat oven to 375 degrees.
• Melt 3 tablespoons butter in a medium saucepan, add leeks, cover and cook over low heat for 5 minutes, until tender. Uncover, stir in flour and cook 1 minute. Add milk in a thin stream, whisking constantly, and simmer 5 minutes, stirring occasionally. Remove from heat and add cheeses and mustard, stirring until cheese melts; season to taste with salt, pepper and nutmeg.
• Meanwhile, rub a buttered oval gratin dish with garlic clove. Layer half of potatoes in bottom of dish, season with salt and pepper and top with half of kielbasa. Add half of leek sauce, spreading it evenly over sausage and potatoes. Repeat with remaining potatoes, sausage and sauce, generously seasoning potatoes. Top with buttered bread crumbs and dot with remaining tablespoon butter. Bake gratin until top is browned and bubbly, about 40 minutes.

LEEKS AU GRATIN

Steps:

• Quarter eggs lengthwise.
• Arrange in a single layer in broiler-safe 2 qt round dish.
• Set aside.
• Remove green portion from leeks, and halve lengthwise.
• Wash thoroughly, and pat dry.
• Remove the roots, and cut the leeks lengthwise into thin strips (julienne).
• Heat 4 tbs of the butter in a large skillet over medium heat, add leek strips.
• Cook leeks until tender, stirring occasionally.
• Spoon leeks over eggs in dish.
• Melt remaining 2 tbs butter in a skillet.
• Whisk in flour.
• Add milk, cook until thickened and bubbly.
• Whisk in 1/4 cup of the white cheddar cheese, the Parmesan cheese, and the cayenne pepper.
• Season to taste with salt and pepper.
• Pour the sauce over the leeks and eggs in dish.
• Sprinkle with remaining white cheddar cheese.
• Bake uncovered about 10 minutes in 450 oven, or until the edges are bubbly and the top begins to brown.

POIREAUX AU GRATIN (LEEKS AU GRATIN)

Steps:

• Trim off the stem end of each leek. Cut off enough of the green part to leave a main section of about seven inches. Split the leeks lengthwise in half. Cut the split leeks crosswise into one-and-onehalf-inch lengths. There should be about eight cups loosely packed. Rinse thoroughly in cold water. Drain.
• Put the leeks in a heavy skillet and add the butter, salt and pepper to taste and the nutmeg. Cook, stirring, about one minute. Add the cream and bring to the simmer. Cover and cook 15 minutes.
• Preheat broiler.
• Spoon the hot leeks into a baking and serving dish and smooth over the top. Sprinkle the top with cheese and place under the broiler until nicely glazed. Serve hot. If the dish is to be reheated, place it for 20 minutes in an oven that has been preheated to 350 degrees.

LEEKS AU GRATIN

Steps:

• Preheat oven to 375°. Cut off the root end and the tough leaf ends, then cut leeks lengthwise in half; cut halves crosswise into 3-in. pieces. Place cream, salt, pepper and leeks in a large cast-iron or other ovenproof skillet; bring to a boil over medium-high heat. Reduce heat; simmer, covered, 5 minutes. Uncover; simmer 15 minutes. Remove from heat; sprinkle with cheese., Bake, uncovered, until top is golden and leeks are tender, 15-20 minutes. Let stand 5-10 minutes before serving.

POTATO & LEEK GRATIN

Steps:

• Pour the stock, cream and milk into a small saucepan, add the garlic and bay leaf and bring to the boil. Remove from the heat, cover and let the flavours infuse while you get on with the rest of the dish.
• Preheat the oven to 180C/gas 4/fan 160C. Butter a 2 litre gratin dish well. Mix the potatoes, leeks and ham (if using) together in the dish, and spread out in an even layer. Pour over the stock mixture and tuck the bay leaf in the middle. Season and sprinkle with the cheese.
• Stand the dish on a baking tray to catch any spills. Loosely cover with foil and bake for 30 minutes. Test the potatoes with a knife - they should be just beginning to soften. Remove the foil and bake for another 35-45 minutes, spooning some of the stock mixture over every now and again until the potatoes are tender. Cool for 15 minutes before serving.

LEEK GRATIN

Steps:

• Preheat oven to 375 degrees. Halve leeks lengthwise, leaving halves attached at root, and rinse well, shaking off water.
• In a large skillet, combine cream and leeks; season with salt and pepper. Bring to a boil over medium-high; reduce to a medium simmer, cover, and cook 5 minutes. Uncover and simmer until leeks are tender, 15 minutes. Transfer leeks and sauce to a shallow 2-quart baking dish.
• Sprinkle with cheese and bake until golden and bubbling, about 35 minutes. Let gratin rest 10 minutes before serving.