Onion Sandwich Au Gratin Recipes

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.

Steps:

• Melt butter in a large pot over medium-high heat. Stir in salt, red onions and sweet onions. Cook 35 minutes, stirring frequently, until onions are caramelized and almost syrupy.
• Mix chicken broth, beef broth, red wine and Worcestershire sauce into pot. Bundle the parsley, thyme, and bay leaf with twine and place in pot. Simmer over medium heat for 20 minutes, stirring occasionally. Remove and discard the herbs. Reduce the heat to low, mix in vinegar and season with salt and pepper. Cover and keep over low heat to stay hot while you prepare the bread.
• Preheat oven broiler. Arrange bread slices on a baking sheet and broil 3 minutes, turning once, until well toasted on both sides. Remove from heat; do not turn off broiler.
• Arrange 4 large oven safe bowls or crocks on a rimmed baking sheet. Fill each bowl 2/3 full with hot soup. Top each bowl with 1 slice toasted bread, 2 slice Gruyere cheese and 1/4 of the Asiago or mozzarella cheese. Sprinkle a little bit of paprika over the top of each one.
• Broil 5 minutes, or until bubbly and golden brown. As it softens, the cheese will cascade over the sides of the crock and form a beautifully melted crusty seal. Serve immediately!

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.

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.

Steps:

• Heat a small skillet with the butter over medium heat. Add the onions, season with salt ground thyme, bay leaf and cook until very soft and sweet and lightly caramelized, 20 minutes. Season with salt and pepper, to taste, and discard the bay leaf.
• While the onions cook, put the potatoes in a medium pot and cover with water. Bring to a boil, then salt the water and cook to tender, 12 to 15 minutes. Drain and return the potatoes to the hot pot. Mash the potatoes with the cream and Parmesan and season with salt and pepper, to taste.
• Preheat the broiler.
• Arrange the mashed potatoes in individual gratin dishes or 1 shallow casserole. Top the potatoes with the onions and Gruyere cheese. Put them on a sheet pan and brown under a hot broiler until bubbly, about 2 minutes. Remove from the oven and serve hot.

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.

Steps:

• In a small bowl, combine mayonnaise and parsley. Season with salt and pepper. Spread 1 tablespoon mayonnaise mixture on each of the halved rolls. Place Gouda on four halves, and top with sliced onion and arugula. Top with remaining halves.

Steps:

• In a large skillet, saute onion with brown sugar in 1 tablespoon oil until softened. Reduce heat to medium-low; cook, stirring occasionally, for 30 minutes or until deep golden brown. Stir in vinegar and garlic. Remove from the heat; add bourbon if desired. Continue cooking until liquid is nearly evaporated., In another skillet, saute mushrooms in remaining oil until tender; add roast beef and heat through., Place crust on a pizza pan; spread with French onion dip. Layer with mozzarella cheese, onion mixture, red pepper, mushroom mixture and Gruyere cheese., Bake at 425° for 10-15 minutes or until cheese is melted. Sprinkle with rosemary.

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.