Parmesan Crusted Au Gratin Potatoes And Onion Recipes

Steps:

• Preheat oven to 325°. Combine the first five ingredients. Layer a third of the potatoes and 2/3 cup cheese mixture in a greased 8-in. square baking dish; repeat layers. Top with remaining potatoes; pour cream over top. Sprinkle with remaining cheese mixture., Bake, covered Cover for 65 minutes. Increase oven temperature to 375°. Uncover; bake until potatoes are tender and top is golden brown, 25-30 minutes longer. Let stand for 10 minutes before serving.

Steps:

• Place potatoes into a large pot and cover with water; add salt and bring to a boil. Reduce heat to medium-low and simmer until just beginning to soften, 15 to 20 minutes; drain.
• Melt butter in a saucepan over medium heat; add flour and whisk until the mixture thickens, 1 to 2 minutes. Pour milk and heavy cream into the saucepan; cook and stir until smooth, 2 to 3 minutes. Melt Cheddar and Asiago cheese into the butter mixture; cook while stirring continually until the mixture is smooth and creamy, 1 to 2 minutes. Season the sauce with salt and pepper.
• Preheat oven to 400 degrees F (200 degrees C). Butter a 9x13-inch casserole dish.
• Layer about half the sliced potatoes into the bottom of the baking dish. Top the potatoes with sweet onion slices and green onions; pour about 1/3 of the cheese sauce over the onions. Arrange the remaining potato slices into the dish; pour remaining cheese sauce over the potatoes. Sprinkle Parmesan cheese and crushed crackers over the top.
• Bake in the preheated oven until hot in the center and beginning to brown at the edge, about 30 minutes. Sprinkle parsley over the top of the dish to serve.

Steps:

• Put oven rack in middle position and preheat oven to 350°F.
• Peel potatoes and cut into 1/8-inch-thick slices with a knife or an adjustable-blade slicer, spreading slices out on a large kitchen towel. Sprinkle with sea salt (1 1/2 teaspoons).
• Stir together cream and milk.
• Dot bottom of a 3-quart shallow baking dish (13 by 9 inches) with half of butter and pour in 1/3 cup cream mixture. Without rinsing or drying potatoes, divide into 5 piles. Layer potatoes in baking dish, 1 pile per layer, spreading 1/3 cup cream mixture and one fourth of cheese between layers. Drizzle remaining cream mixture over potatoes and dot with remaining butter.
• Bake, uncovered, until potatoes are very tender and top is browned, about 2 hours. Let stand at room temperature 10 minutes before serving.

Steps:

• Slice the onions in half lenghwise, then cut crosswise into thin slices.
• In a large skillet melt butter, then add in onions, thyme, cloves, pepper and salt; cover with lid and saute until the onions are very soft (about 10-12 minutes) adjust the salt to taste (do not add in too much salt as the Parmesan is salty!).
• Transfer the onions to a buttered gratin dish or small casserole dish and smooth it out with a spoon.
• At this point you can cover and let sit at room temperature to broil later.
• Preheat the broiler.
• In a small bowl whisk together egg yolks and whipping cream, the stir in Parmesan cheese.
• Pour the mixture over the onions in the baking dish.
• Place under the broiler (about 2-inches from heat).
• Broil until the top is golden.
• Serve immediately.