Best Sweet Onion Tart Recipes

CARAMELIZED ONION AND SWEET POTATO TART

Steps:

• Make Pastry: combine flour, butter, shortening and salt and lightly mix until it resembles breadcrumbs. Blend in enough water to form a dough. Wrap in clingfilm and refrigerate for at least 30 minutes.
• To make Tart: Pare yukon gold potatoes, slice 1/4 inch thick and put in cold water.
• Pare and slice sweet potatoes and stand in cold water. do the same with the parsnips.
• Steam potatoes, parsnips and sweet potatoes until al dente. Set aside.
• Heat oil and saute onions until caramelized and golden brown in color. Add Herbes de Provence and garlic and saute for 3 more minutes. Set aside.
• Mix manchego, gruyere and cream together in bowl and set aside.
• Preheat oven to 350°F.
• Roll out pastry and press into bottom and sides of a 9 inch springform pan.
• Layer potatoes, sweet potatoes and parsnips in tart and sprinkle onions and cream/cheese. Repeat until all ingredients are used.
• For maximum appearance make sure to finish the top layer with sweet potatoes, then caramelized onion.
• Bake 45 minutes in preheated oven.
• Remove from oven and allow to sit for 20 minutes.

CABBAGE, ONION AND SWEET PEPPER TART

Steps:

• Heat the olive oil in a large, heavy skillet over medium heat and add the onion. Cook, stirring, until it begins to soften, about 3 minutes, and add a generous pinch of salt and the peppers. Cook, stirring often, until the onion and peppers are tender, about 5 minutes, and add the cabbage. Stir together, add salt to taste, cover and cook, stirring often, for 20 to 25 minutes, until the cabbage is very tender and sweet. Add the garlic and tomato paste and continue to cook, uncovered, stirring often, for 5 minutes. Season to taste with salt and pepper and remove from the heat.
• Preheat the oven to 375 degrees. Oil a 10-inch tart pan or cake pan and line with the dough. Whisk the eggs and milk together in a large bowl, add salt and pepper to taste and stir in the vegetables and cheese. Mix together well and scrape into the pie shell.
• Bake 45 to 50 minutes, until the top is lightly browned. Remove from the heat and allow to cool for at least 10 minutes before serving. Serve hot or at room temperature.

ROASTED SWEET POTATO AND ONION TART

Steps:

• Heat oven to 425°F. Spray 15x10x1-inch pan with cooking spray. In large bowl, toss sweet potatoes, onion, oil and seasoned pepper blend. Arrange mixture in single layer in pan. Roast 20 minutes, stirring after 10 minutes, just until potatoes are tender. Cool completely, about 30 minutes.
• Meanwhile, unroll pie crusts; stack on lightly greased surface. Roll into 12-inch round. Press round in bottom and up side of 10-inch deep-dish tart pan with removable bottom. Trim off excess crust along edges. Line crust with foil; fill with pie weights or dried beans. Line cookie sheet with foil. Place pan on cookie sheet.
• Bake 12 minutes. Remove weights and foil; bake 5 minutes. Cool completely on cookie sheet on cooling rack, about 15 minutes. Reduce oven temperature to 350°F.
• Stir bacon and parsley into sweet potato mixture. Spoon half of the mixture into partially baked crust; sprinkle with 1 cup of the cheese. Repeat layers once. In medium bowl, beat half-and-half, eggs, chopped rosemary and salt with whisk. Pour over cheese.
• Bake on lowest oven rack 35 to 40 minutes or until set. Cool 15 minutes. Run knife around edge of pan; carefully remove side of pan.

VIDALIA ONION SWEET TART

Steps:

• Place pie crust in 9-inch glass pie pan. Prick bottom and sides with fork and bake as directed for 5 minutes. Cool.
• Lightly saute onion in olive oil 2 to 3 minutes; salt and pepper as desired. Place onions in bottom of crust, top with cheeses; place tomatoes on cheese in circular pattern around edge and middle of dish. Cover with chopped green onion tops. Lightly sprinkle bread crumbs and drizzle with melted margarine.
• Bake 20 minutes at 400 degrees. Allow to cool before slicing and serving.

ROASTED SWEET POTATO & ONION TART

Steps:

• Preheat oven to 425°. Toss together first 4 ingredients in a large bowl; arrange mixture in a single layer in a lightly greased 15- x 10-inch jelly-roll pan. Bake 20 minutes or just until potatoes are tender, stirring after 10 minutes. Cool completely in pan on a wire rack (about 30 minutes). Stir in bacon and parsley. Unroll piecrusts; stack on a lightly greased surface. Roll stacked piecrusts into a 12-inch circle. Fit piecrust into a 10-inch deep-dish tart pan with removable bottom; press into fluted edges. Trim off excess piecrust along edges. Line piecrust with aluminum foil or parchment paper, and fill with pie weights or dried beans. Place pan on a foil-lined baking sheet. Bake at 425° for 12 minutes. Remove weights and foil; bake 5 more minutes. Cool completely on baking sheet on a wire rack (about 15 minutes). Reduce oven temperature to 350°. Layer half of sweet potato mixture and half of cheese in tart shell; repeat layers once. Whisk together half-and-half and next 3 ingredients; pour over cheese. Bake at 350° on lowest oven rack 35 to 40 minutes or until set. Cool tart on baking sheet on a wire rack 15 minutes.

SWEET ONION TART

Steps:

• Prepare pastry in food processor:.
• Place flour, salt, and butter in work bowl fitted with metal blade. Process until mixture resembles coarse corn meal.
• While mixing, gradually add ice water through tube and process until mixture forms a ball.
• Remove dough from work bowl.
• Shape into 6-inch disk and wrap in plastic wrap.
• Refrigerate for 1 hour.
• (Pastry may also be made by hand according to individual's methods.).
• Roll out pastry between two pieces of parchment paper into 13" circle -- or something resembleing a circle.
• Place into 10" quiche or tart pan. (Tart pan with removable bottom makes for a more "elegant" presentation.).
• Fold pastry onto itself forming a double side wall. Prepare edge with decorative trim by finger crimping around entire pan.
• Meanwhile, preheat oven to 400 degrees.
• Line pastry bottom with foil. Weigh down pastry by spreading beans or rice on bottom.
• Bake 15 to 20 minutes--or until edge of pastry is SLIGHTLY browned. Romove foil and weights.
• Cool pastry.
• Prepare Filling:.
• Peel onions and slice into 1/4" thick slices.
• Spread flour onto plate.
• Dredge onion slices in flour. Set aside.
• Heat 1 1/2 T of the olive oil and 1 1/2 T of the butter in a 12" skillet over medium-low heat.
• When oil/butter is hot, brown 1/2 of the onion slices.(About 4-5 minutes each side.).
• Place on paper towels to drain.
• Add remaining 1 1/2 T olive oil and 1 1/2 T butter to skillet and brown remaining onion slices. (About 4-5 minutes each side.).
• Place on paper towels to drain. Set aside.
• In a medium bowl whisk eggs, milk, salt, pepper, nutmeg, and oregano until well combined. Set aside.
• Spread 3 T of grated Parmesan on bottom of prepared pastry.
• Arrange browned onion slices to completely cover bottom of prepared pastry.
• Pour egg mixture over onions.
• Sprinkle with remaining 2 T of Parmesan cheese.
• Bake 45 to 50 minutes or until it is puffed and browned and the filling is set.
• Cool tart at least 5 minutes before serving.

ROAST SWEET POTATO & ONION TART WITH GOAT'S CHEESE

Steps:

• Heat oven to 200C/180C fan/gas 6. Heat 2 tbsp of the oil in a large non-stick frying pan and cook the onions over a low heat for 20-25 mins or until well softened and lightly browned. Add the vinegar and cranberry sauce, and simmer for 5-10 mins more, stirring until almost all the liquid has disappeared. Leave to cool.
• Meanwhile, put the sweet potatoes in a bowl and toss with the remaining oil, 1/2 tsp salt, 1/2 tsp pepper and the chilli flakes. Arrange on a baking tray and cook for 20 mins, turning halfway, until softened and lightly browned. Leave to cool.
• Reduce oven to 180C/160C fan/gas 4. Line two large baking trays with baking parchment and unroll the pastry sheets on top - trimming the edges neatly at this point will encourage a good rise. Leaving a 2cm gap around the edge, spread the onions over the pastry, then top with the sweet potatoes and goat's cheese. Brush the beaten egg around the border of the pastry and bake in the oven for 35-40 mins or until the pastry is golden and crisp, swapping the shelves after 20 mins.
• Scatter over the thyme, then cut each tart into quarters (or smaller pieces if serving more). Serve with a large leafy salad.

SWEET ONION TART

Steps:

• 1. In large bowl, with fork, stir flour and 1 teaspoon salt. With pastry blender or two knives used scissor-fashion, cut in shortening and 1/2 cup cold margarine or butter until mixture resembles coarse crumbs. Sprinkle 7 to 8 tablespoons cold water, a tablespoon at a time, into flour mixture, mixing with fork after each addition until mixture is just moist enough to hold together. With hands, shape dough into a ball. On floured surface, with floured rolling pin, roll dough into a rectangle approximately 18-inch by 13-inch. Gently fold rectangle into fourths and carefully lift into ungreased 15 1/2-inch by 10 1/2-inch jelly-roll pan; unfold. Lightly press dough onto bottom and sides of pan. Fold overhang under and pinch to form decorative edge level with rim of pan. Wrap and refrigerate tart shell about 30 minutes. Meanwhile, in deep 12-inch skillet, melt remaining 3 tablespoons margarine or butter over medium-high heat. Add onions and cook, stirring frequently, until onions are golden brown, about 25 minutes. Remove from heat and cool to room temperature. Preheat oven to 425 degrees F. Line tart shell with foil and fill with pie weights, uncooked rice, or dried beans. Bake tart shell 20 minutes; remove foil and weights and bake 10 minutes longer or until golden. Remove tart shell from oven and turn oven control to 400 degrees F. In bowl, with wire whisk or fork, beat eggs, milk, Parmesan, thyme, parsley, pepper, and 1 teaspoon salt. Spread cooled onions over tart shell. Pour egg mixture over onions. Bake tart 25 minutes or until egg mixture is set and tart is nicely browned. Serve hot. Or cool on wire rack; wrap and refrigerate to serve cold later.