Onion Sandwich Au Gratin Recipes

ONIONS AU GRATIN

Steps:

• Cut onions into 1/2-in. slices; saute in butter until tender. Place in a greased 8-in. square baking dish. , In a small bowl, stir the flour, broth, cream, salt and pepper until smooth; pour over onions. Sprinkle with cheeses. , Bake, uncovered, at 350° for 25-30 minutes or until cheese is golden brown and mixture is bubbly.

ONION GRATIN

Steps:

• Spread the onion slices out in a baking dish and drizzle them with olive oil.
• Season with salt and pepper and sprinkle with the thyme.
• Bake in a preheated 375F/190C oven for 15 minutes.
• Meanwhile heat the heavy cream and wine in a sauce pan until it starts to bubble on the edges.
• Spoon the cream over the onions.
• Cover in foil and bake for another 25 minutes.
• Remove the foil and sprinkle the cheese on top.
• Increase the temperature to 450F/230C and bake until golden brown, about 5 minutes.

ONION SANDWICH AU GRATIN

Steps:

• Let soak the onion in cold water for 30 minutes. Drain.
• Put the onion in a saucepan. Add boiling water. Bring to boil. Let simmer, covered, until onions are tender. Drain.
• Spread the onion on the slices of toasted bread. Garnish each one with a slice of cheese. Sprinkle with paprika. Broil in oven until cheese is melted and ligthly golden.

ONION SANDWICH

Steps:

• Using a 1 1/2-inch cutter, cut 24 rounds from the bread and arrange in 12 pairs. Spread each round with mayonnaise.
• Slice the onions through the equator, evenly and thinly, and put a slice that fits the bread on half the bread rounds. Salt lightly, then cover with a second round of bread.
• When sandwiches are assembled, spread remaining mayonnaise on a piece of parchment paper, and have the chopped herbs ready in a bowl.
• Hold a sandwich, and roll the edge in mayonnaise, then in the chopped herbs, covering the edge. Cover and chill for about 1 hour and up to 6 hours before serving.

FRUGAL GOURMET'S BAKED ONIONS AU GRATIN

Steps:

• In two batches, sauté the onion in the butter in a large frying pan. Cook only until limp. Do not brown or discolor.
• Deglaze the pan, or remove the onion from the pan and pour sherry, scrapping the pan with a wooden spoon to dissolve the brown, toasted onions.
• Mix the onions, the sherry, nutmeg, salt, pepper and heavy cream together and place in a baking dish. Top with the Swiss and then Parmesan or Romano.
• Bake at 350 until top is a bit brown and bubbling, 15 - 20 minutes.

THE BEST ONION GRATIN

Steps:

• Preheat oven to 400°F.
• Break the onion quarters apart to give you little "petals".
• Place these in an A4 sized dish or earthenware oven dish.
• Drizzle with olive oil, add salt and pepper, and toss in the thyme and garlic.
• Mix well, add white wine and cover tightly with two layers of tinfoil.
• Bake for 45 minutes, then remove tinfoil, and put back in oven for 15 minutes until slightly golden.
• Stir in creme fraiche (or sour cream) and sprinkle with cheeses.
• Turn oven down to 350F and put back in oven until cheese is golden and melted, about 15 minutes.
• You can eat right away, or cool it down and flash it under the grill when the guests arrive.
• Enjoy!

BAKED ONIONS AU GRATIN

Steps:

• Saute onions in butter.
• Place onions in a 9 x 13 casserole dish with a slotted spoon.
• Stir in heavy whipping cream, white wine, and black pepper. Mix well.
• Top with cheeses.
• Bake at 375 degrees for 15-20 minutes.

TURNIP AND ONION GRATIN

Steps:

• In a bowl toss the turnips and the onion with the cornstarch, 1/4 cup of the Parmesan and salt and pepper to taste and transfer the mixture to a buttered 9-inch-square baking dish, patting it down. Drizzle the cream evenly over the mixture, sprinkle the mixture with the remaining 1 tablespoon Parmesan, and bake the gratin in the middle of a preheated 375°F. oven for 25 to 30 minutes, or until the top is golden.

FOUR-ONION GRATIN

Steps:

• Melt butter in heavy large skillet over medium heat. Add leeks, large onions, shallots and garlic and sauté until all are tender, about 20 minutes. Add baby onions and cook 10 minutes longer, stirring occasionally. Mix in 2 cups whipping cream. Boil until cream is thickened to sauce consistency, about 10 minutes. Transfer vegetable-cream mixture to 6-cup shallow baking dish. (Can be prepared 1 day ahead. Cover and refrigerate. Return mixture to room temperature before continuing.)
• Preheat oven to 425°F Sprinkle breadcrumbs over onion mixture. Bake until breadcrumbs are golden brown and onion mixture bubbles, about 20 minutes. Sprinkle with parsley.

BAKED ONIONS AU GRATIN

Steps:

• Preheat oven to 350°.
• In a large bowl, combine onions, 1/2 cup mozzarella cheese, margarine, flour, milk, and salt; mix well.
• Spoon onion mixture into an ungreased medium baking dish.
• Sprinkle with remaining mozzarella cheese and bread crumbs.
• Bake until cheese is melted and bread crumbs are browned, about 30 minutes.