Best 18 Caramelized Onion Tart Recipes

CARAMELIZED ONION TART

Steps:

• Thaw the pastry sheet at room temperature for 40 minutes or until it's easy to handle. Heat the oven to 400 degrees F. Line a baking sheet with parchment paper or spray with vegetable cooking spray.
• Heat the oil in a 12-inch skillet over medium heat. Add the onion and cook for about 15 minutes or until golden, stirring often. Season to taste and let cool.
• Unfold the pastry sheet on a lightly floured surface. Roll into a 12-inch square. Place on the prepared baking sheet. Brush the edges of the square with water. Fold over the edges 1/2 inch on all sides, pressing firmly with a fork to form a rim. Prick the pastry thoroughly with a fork.
• Spread the onion mixture over the pastry crust. Top with the gruyere and parmesan cheeses and sprinkle with the chives.
• Bake for 20 minutes or until golden and bubbly. Cool for 5 minutes on a wire rack. Cut into approximately 3 x 2-inch rectangles. Serve warm.

CARAMELIZED ONION POTATO TART

Steps:

• Preheat oven to 350 degrees F.
• Set a large skillet over medium heat and add 4 tablespoons of olive oil. Add sliced onions and cook over medium heat for 10 to 12 minutes until they are tender and brown all over.
• Using a mandolin (or sharp knife), finely slice the potatoes into rounds (you can place them in a bowl with a wet towel over the top to stop them from going brown while you work). Place the potatoes into a bowl and season with salt and pepper. When ready, add the onions and toss to combine without breaking potatoes.
• Add about 1 tablespoon water to the same pan the onions were cooked in and allow it to come to a bubble. Using layered paper towels, wipe the pan clean.
• Add some extra-virgin olive oil to the pan and add the potatoes to the pan, making sure the potatoes are flat. Top with the diced butter.
• Take a piece of parchment paper and fold in half. Find the middle of the parchment along the crease and hold in place with your finger. Taking the right side of the parchment, pull it towards the center and fold it straight down to create a diagonal edge. Fold the parchment in half to create a triangle. Place the pointed edge in the middle of the saute pan on top of the potatoes to find its radius. Make a marker of where the pan edge ends (or starts). At this point you can cut the parchment at this marker and open to reveal a circle.
• Cover the potatoes with the parchment paper and press down. Drizzle some extra-virgin olive oil over the top so it down burn and rub it in.
• Place the pan into the oven on the top rack and bake for about 45 minutes.
• When done remove from oven and run a knife around the edge to separate from the pan. Place a large plate on top of the saute pan and flip. Remove the saute pan. Allow to cool slightly before cutting into slices.

CARAMELIZED ONION TART WITH OLIVES

Steps:

• Preheat oven to 425 degrees. Melt butter with oil in a skillet over medium-high heat. Add onions and thyme, and cook until onions are golden and soft, about 10 minutes.
• On a lightly floured surface, roll out pastry, and trim to an 8 1/2-by-15-inch rectangle. Place on a parchment-lined baking sheet, transfer to oven, and immediately reduce oven to 400. Bake until pastry begins to rise, about 12 minutes.
• Arrange onions in a single layer over pastry, leaving a 1-inch border around edge. Top with olives and anchovies if using. Bake for 15 minutes. Reduce oven to 375 degrees, and bake until puffed and golden brown, about 15 minutes more (tent with foil if crust browns too quickly). Cut into squares.

ROASTED BUTTERNUT SQUASH AND CARAMELIZED ONION TART

Steps:

• On a lightly floured surface roll out dough into a 12-inch round (about 1/8 inch thick). Fit dough into an 11-inch tart pan with a removable fluted rim. Freeze shell 15 minutes.
• Preheat oven to 375°F.
• Line shell with foil and fill with pie weights or raw rice. Bake shell in middle of oven until edge is pale golden, about 20 minutes. Carefully remove foil and weights or rice and bake shell 10 minutes more, or until bottom is golden. Leave oven on. Cool shell in pan on a rack.
• Halve squash and scoop out seeds. Lightly brush each cut side with about 1 teaspoon oil and on a baking sheet roast squash, cut sides down, in middle of oven 40 minutes, or until soft.
• While squash is roasting, thinly slice onion and in a heavy skillet cook in 1/2 tablespoon butter and remaining 1 1/2 teaspoons oil over moderate heat, stirring occasionally, until soft and golden brown, about 20 minutes.
• Cool squash and scoop out flesh. In a food processor purée squash. Add whole egg, egg yolk, and cream and blend well. Transfer mixture to a large bowl and stir in cheeses, herbs, onion, salt, and pepper to taste. Pour filling into shell, smoothing top.
• In a small skillet melt remaining tablespoon butter and stir in bread crumbs until combined well. Sprinkle bread crumb mixture evenly over filling. Bake tart in middle of oven 40 minutes, or until filling is set. Cool tart in pan on rack 10 minutes and carefully remove rim.

CARAMELIZED ONION AND ROASTED RED PEPPER TART

Steps:

• Dough:.
• Dissolve yeast and honey in warm water in a large bowl; let stand for 5 minutes.
• Lightly spoon flours into dry measuring cups, and level with a knife. Stir 1 cup bread flour and 1 tablespoon oil into yeast mixture. Cover and let rise in a warm place (85°F), free from drafts, 1 1/2 hours or until bubbly.
• Stir in 1/2 cup bread flour, whole wheat flour, and 1 teaspoon salt.
• Turn dough out onto a floured surface. Knead until smooth and elastic (about 10 minutes); dough will feel tacky. Place dough in a large bowl coated with cooking spray, turning to coat top. Cover and let rise in a warm place (85°), free from drafts, for 1 hour or until doubled in size. (Press two fingers into the dough. If indentation remains, the dough has risen enough.) Punch dough down; cover and let rest 10 minutes.
• Topping:.
• Heat 1 tablespoon oil in a 12-inch nonstick skillet coated with cooking spray over medium-high heat. Add onion, and cook for 5 minutes, stirring frequently. Stir in 1 teaspoon salt, thyme sprigs, garlic, and bay leaves; cook for 15 minutes or until deep golden brown, stirring frequently.
• Remove from heat. Discard thyme sprigs and bay leaves.
• Preheat broiler.
• While onion is cooking, cut bell peppers in half lengthwise, discarding seeds and membranes. Place the pepper halves, skin sides up, on a foil-lined baking sheet; flatten with hand. Broil for 15 minutes or until blackened. Place in a zip-top plastic bag, and seal. Let stand for 15 minutes. Peel and coarsely chop.
• Preheat oven to 425°F.
• Roll the dough into a 12 x 8-inch rectangle. Place the dough on a baking sheet coated with cooking spray. Top with the onion mixture and the chopped bell pepper. Sprinkle with black pepper. Bake at 425°F for 25 minutes or until the crust is golden brown. Cool slightly. Sprinkle with chopped thyme. Cut into 8 squares, and cut each square in half diagonally. Garnish with thyme sprigs, if desired.

ROASTED BUTTERNUT SQUASH AND CARAMELIZED ONION TART

Steps:

• Using a prepared pie crust or your favorite crust recipe. On a lightly floured surface roll out dough into a 12-inch round (about 1/8 inch thick).
• Fit dough into an 11-inch tart pan with a removable fluted rim.
• Freeze shell 15 minutes.
• Preheat oven to 375°F.
• Line shell with foil and fill with pie weights or raw rice.
• Bake shell in middle of oven until edge is pale golden, about 20 minutes.
• Carefully remove foil and weights or rice and bake shell 10 minutes more, or until bottom is golden.
• Leave oven on.
• Cool shell in pan on a rack.
• Halve squash and scoop out seeds.
• Lightly brush each cut side with about 1 teaspoon oil and on a baking sheet roast squash, cut sides down, in middle of oven 40 minutes, or until soft.
• While squash is roasting, thinly slice onion and in a heavy skillet cook in 1/2 tablespoon butter and remaining 1 1/2 teaspoons oil over moderate heat, stirring occasionally, until soft and golden brown, about 20 minutes.
• Cool squash and scoop out flesh.
• In a food processor purée squash.
• Add whole egg, egg yolk, and cream and blend well.
• Transfer mixture to a large bowl and stir in cheeses, herbs, onion, salt, and pepper to taste.
• Pour filling into shell, smoothing top.
• In a small skillet melt remaining tablespoon butter and stir in bread crumbs until combined well.
• Sprinkle bread crumb mixture evenly over filling.
• Bake tart in middle of oven 40 minutes, or until filling is set.
• Cool tart in pan on rack 10 minutes and carefully remove rim.

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.

RATATOUILLE TART WITH CARAMELIZED ONION-TOMATO JAM

Steps:

• In a high-sided saute pan with a lid, heat the olive oil over medium heat. Add the onions, season with the salt, cover and cook until they are wilted and soft, about 10 minutes. Remove the lid and cook the onions until they are golden and caramelized, stirring often, about 20 minutes more.
• Stir in the garlic and saute 1 to 2 minutes. Add the tomatoes and cook an additional 10 minutes. Add the remaining ingredients, bring the mixture to a boil and then reduce the heat to a simmer. Stirring consistently, cook until the tomatoes breakdown and the jam becomes thick, about 20 minutes.
• Yield: 3 cups
• Preheat the oven to 400 degrees F.
• Roll the puff pastry out on a floured surface to a rectangular shape, about 12 by 10 1/2 inches. Transfer the pastry sheet to a parchment-lined baking sheet. With the tines of a fork, dock a 1/2-inch border around the edge of the sheet and dock the center of the sheet a few times as well. This will prevent the dough from rising as it cooks.
• Spread the Caramelized Onion-Tomato Jam evenly over the pastry, leaving a small border around the edge of the pastry. Layer the tomatoes, eggplant, yellow squash and zucchini in overlapping rows, or in whatever pattern you like. Sprinkle the roasted red peppers around the tart. Drizzle the assembled tart with a little olive oil, making sure to brush a little on the edges, season with salt and pepper and top with half of the fresh oregano.
• Bake until the pastry is golden brown and puffed, 20 to 25 minutes. Remove from the oven and immediately sprinkle with the goat cheese and the remaining 1 1/2 teaspoons oregano before serving.

FIG , CARAMELIZED ONION AND BLUE CHEESE TART

Steps:

• Preheat oven to 400°F.
• Soak figs in hot/boiling water for 1/2 hr.to soften. Set aside.
• Lightly coat baking tray with olive oil.
• Spread pastry on baking tray, join edges and pierce with fork to allow air to escape during baking.
• Bake until light brown (approx. 5-7 min.).
• Cook onions in butter and olive oil over medium heat until soft caramelized.
• Add brown sugar, salt and pepper, thyme and cook over low heat for 5 minute.
• Add drizzle of balsamic vinegar in last 2 minutes.
• Pour onion mixture over pastry covering to edges.
• Add figs (cut into small chunks).
• Sprinkle with cheese.
• Drizzle with olive oil.
• Bake at 400F fro 10-12 minutes.
• Cool before cutting.
• Cut into appetizer size pieces.

CARAMELIZED-ONION TART WITH OLIVES AND ANCHOVIES

Steps:

• Preheat oven to 500 degrees. On a lightly floured surface, roll dough into an 11-by-16-inch rectangle. Sprinkle cornmeal on a rimmed baking sheet and place dough on top.
• Spread onions over dough, leaving a 1-inch border. In a bowl, combine garlic with 1 tablespoon oil; arrange over onions and top with anchovies and olives. Season with salt and pepper. Brush edges of dough with 2 tablespoons oil. (If desired, score into individual servings before baking.) Bake until crust is golden brown and releases easily when a large metal spatula is slid underneath, 9 to 11 minutes. Serve warm or at room temperature.

CARAMELIZED ONION AND ROASTED RED PEPPER TART RECIPE - (4.5/5)

Steps:

• 1 Dough:. 2 Dissolve yeast and agave in warm water in a large bowl; let stand for 5 minutes. 3 Lightly spoon flours into dry measuring cups, and level with a knife. Stir 1 cup bread flour and 1 tablespoon oil into yeast mixture. Cover and let rise in a warm place (85°F), free from drafts, 1 1/2 hours or until bubbly. 4 Stir in 1/2 cup bread flour, whole wheat flour, and 1 teaspoon salt. 5 Turn dough out onto a floured surface. Knead until smooth and elastic (about 10 minutes); dough will feel tacky. Place dough in a large bowl coated with cooking spray, turning to coat top. Cover and let rise in a warm place (85°), free from drafts, for 1 hour or until doubled in size. (Press two fingers into the dough. If indentation remains, the dough has risen enough.) Punch dough down; cover and let rest 10 minutes. 6 Topping:. 7 Heat 1 tablespoon oil in a 12-inch nonstick skillet coated with cooking spray over medium-high heat. Add onion, and cook for 5 minutes, stirring frequently. Stir in 1 teaspoon salt, thyme sprigs, garlic, and bay leaves; cook for 15 minutes or until deep golden brown, stirring frequently. 8 Remove from heat. Discard thyme sprigs and bay leaves. 9 Preheat broiler. 10 While onion is cooking, cut bell peppers in half lengthwise, discarding seeds and membranes. Place the pepper halves, skin sides up, on a foil-lined baking sheet; flatten with hand. Broil for 15 minutes or until blackened. Place in a zip-top plastic bag, and seal. Let stand for 15 minutes. Peel and coarsely chop. 11 Preheat oven to 425°F. 12 Roll the dough into a 12 x 8-inch rectangle. Place the dough on a baking sheet coated with cooking spray. Top with the onion mixture and the chopped bell pepper. Sprinkle with black pepper. Bake at 425°F for 25 minutes or until the crust is golden brown. Cool slightly. Sprinkle with chopped thyme. Cut into 8 squares, and cut each square in half diagonally. Garnish with thyme sprigs, if desired

WARM OLIVE AND CARAMELIZED ONION TART

Steps:

• Combine flours in bowl, and freeze 1 hour. Freeze butter cubes 1 hour.
• In a bowl or food processor, mix frozen flour with 1/2 teaspoon salt. Add butter, and cut with pastry blender or pulse until butter is size of peas. Add up to 1/4 cup ice water, just until mixture holds together (if using food processor, transfer mixture to bowl first). Turn onto lightly floured surface and pat into shape of small rectangle. Chunks of butter will show. Roll out dough, making rectangle about 5 by 7 inches, 1/2 inch thick. Fold narrow ends toward center so they meet. Fold in half again to make 4 layers. Give dough quarter turn, and repeat rolling and folding. Repeat another time. Roll dough again, but this time fold it in thirds like a business letter. Wrap in plastic, and refrigerate 45 minutes to 1 hour.
• Meanwhile, heat oil in large skillet over medium-low heat. Add onions, garlic, thyme and rosemary, and cook, stirring occasionally, until onions are soft and golden, 50 to 60 minutes. Add tomatoes, increase heat and cook until almost dry, 10 to 15 minutes. Add anchovies and olives, season and set aside.
• Preheat oven to 400 degrees. On floured surface, roll dough to make rectangle 9 by 13 inches, 1/4 inch thick. Crimp edges, and transfer to baking sheet. Cover dough with onion mixture to within 1/2 inch of edge. Bake until crust is golden, 30 to 40 minutes. Cut in portions or small squares, and serve.

CARAMELIZED ONION, WALNUT AND GORGONZOLA TART

Steps:

• Preheat oven to 375 degrees. Lightly grease a medium baking sheet. Place thawed bread dough into a large mixing bowl; add lemon juice (reserve zest for later use) and 2 tablespoons of the olive oil, working into the dough. Cover and let rise in a warm place while continuing with recipe. Heat the remaining 2 tablespoons olive oil in a large heavy skillet placed over medium heat. Add the onions, blending well. Cook until golden, stirring occasionally, about 20 to 30 minutes. Season as desired with salt and pepper. Punch down dough; remove from bowl and place on prepared baking sheet. Starting at center, press out dough with greased hands to form an approximate 11 x 10-inch rectangle. With fingers or the handle of a wooden spoon, make "dimples" in dough every 3 inches. Remove onions from skillet with a slotted spoon and cover dough with onions, distributing evenly. Bake in the preheated oven for 15 minutes. Remove from oven; sprinkle with cheese and walnuts and return to the oven for about 10 to 15 minutes more, or until the bread is lightly browned. Toss together the reserved lemon zest, arugula and the diced pear. Reserve. Remove tart from oven; cut into squares and top with pear/arugula mixture. Serve right away.

CARAMELIZED ONION AND ROASTED CAULIFLOWER TART

Steps:

• 1. Preheat oven to 450F. Toss the cauliflower in the oil. Spread out onto a non stick baking sheet. Season with salt and pepper. Cook for 15, then flip. Cook 15 minutes more and remove from oven.
• 2. In a good skillet, bring 1 1/2 tbps of good olive oil to a shimmer. Add thin sliced Vidalia onions, add in a pinch or two of salt and pepper and stir, stir, stir...for about 30 minutes until they turn a beautiful golden brown. Don't ignore those fronds.
• 3. MAKE UP THAT DOUGH: I really hate working with pastry, but this was pretty harmless.
• 4. I used a whisk: Flour, cornstarch, salt and butter. Then add in the egg. I lost my pastry blender in the move to the lower 48 and had to use a fork....gave that up quick and used my grandma's fingers to get the pea sized effect I needed.
• 5. Smash that dough all together and roll it thin. Yes, I cheated and used plastic wrap as a medium. Transfer the dough to the tart pan and press in. Now lightly coat the dough with 1 TBSP Dijon mustard, bottom and sides.
• 6. Layering the Stuff: After pressing in the tart dough and brushing the bottom and sides with dijon, add in the onions. Top with cauliflower.
• 7. In a bowl, mix the eggs, marscapone, cream, white pepper, nutmeg and Guyere. Pour over the top of the tart. I had to use my hands to redistribute the cheesiness.
• 8. Top with 1/3 cup Parmesan cheese. Bake 350F for 40 minutes.

CARAMELIZED, ONION, EGGPLANT AND TOMATO TART

Steps:

• To make the crust, in a large bowl whisk together flour and salt. Add chilled olive oil and using clean hands or a fork, mix until the oil is incorporated and the mixture is the consistency of small peas. Add the ice water and mix until dough has just formed. Shaped into a 6-inch disk, wrap tightly in plastic wrap and refrigerate for at least 1 hour. Meanwhile, prepare the filling. Position an oven rack in the middle of the oven. Heat the oven to 375 F. Coat a large baking sheet with olive oil cooking spray. Mist the eggplant rounds with cooking spray, then season both sides of each slice with salt and pepper. Arrange the eggplants slices in a single layer on the prepared baking sheet. Bake for 30 minutes, or until soft and golden brown. Remove from the oven and set aside. While the eggplant cooks, in a large saucepan over medium, heat the olive oil. Add the onions and saute until softened and translucent, about 5 minutes. Stir in 1 teaspoon salt and the thyme, then reduce heat to low. Cook, stirring occasionally so the onions don't burn, until very soft and browned, about another 30 minutes. Stir in the vinegar and remove from heat. Mist an 11-inch springform tart pan (or a tart pan with a removable bottom) with cooking spray. On a clean, floured surface using a floured rolling pin, roll the chilled dough into a 13-inch circle. Transfer the dough

CARAMELIZED ONION TART WITH OLIVES

Steps:

• Preheat oven to 500 degrees. On a lightly floured surface, roll dough into an 11-by-16-inch rectangle. Sprinkle cornmeal on a rimmed baking sheet and place dough on top. Spread onions over dough, leaving a 1-inch border. In a bowl, combine garlic with 1 tbsp oil; arrange over onions and top with olives. Season with salt and pepper. Brush edges of dough with 2 tablespoons oil. Bake until crust is golden brown and releases easily when a large metal spatula is slid underneath, 9 to 11 minutes. Serve warm or at room temperature. 206 calories 11.7 g fat

CARAMELIZED ONION POTATO TART FROM TYLER FLORENCE RECIPE - (4.3/5)

Steps:

• Preheat oven to 350°F. Set a large skillet over medium heat and add 4 tablespoons of olive oil. Add sliced onions and cook over medium heat for 10 to 12 minutes until they are tender and brown all over. Using a mandolin (or sharp knife), finely slice the potatoes into rounds (you can place them in a bowl with a wet towel over the top to stop them from going brown while you work). Place the potatoes into a bowl and season with salt and pepper. When ready, add the onions and toss to combine without breaking potatoes. Add about 1 tablespoon water to the same pan the onions were cooked in and allow it to come to a bubble. Using layered paper towels, wipe the pan clean. Add some extra-virgin olive oil to the pan and add the potatoes to the pan, making sure the potatoes are flat. Top with the diced butter. Take a piece of parchment paper and fold in half. Find the middle of the parchment along the crease and hold in place with your finger. Taking the right side of the parchment, pull it towards the center and fold it straight down to create a diagonal edge. Fold the parchment in half to create a triangle. Place the pointed edge in the middle of the saute pan on top of the potatoes to find its radius. Make a marker of where the pan edge ends (or starts). At this point you can cut the parchment at this marker and open to reveal a circle. Cover the potatoes with the parchment paper and press down. Drizzle some extra-virgin olive oil over the top so it down burn and rub it in. Place the pan into the oven on the top rack and bake for about 45 minutes. When done remove from oven and run a knife around the edge to separate from the pan. Place a large plate on top of the saute pan and flip. Remove the saute pan. Allow to cool slightly before cutting into slices.

CARAMELIZED ONION, FIG & GRUYERE TART WITH FRESH THYME

Steps:

• Preheat oven to 400 degrees Fahrenheit.
• Lay thawed puff pastry sheet on a floured surface and roll until approximately 10" wide and 16" long. Carefully transfer puff pastry to a baking sheet. Trim edges if desired for a neater look, and prick the pastry several times with a fork.
• Bake the puff pastry sheet for about 10 minutes until puffed and golden. Remove from oven.
• In a large skillet over medium-low heat, heat the olive oil and butter until melted. Add the onions and saute, stirring occasionally, until soft, golden brown, and caramelized, about 40 minutes. Add thyme, garlic, salt, pepper, and vegetable broth to the onions and continue to cook over medium-low heat for about five minutes, stirring frequently. Remove from heat.
• Carefully spread 1/3 cup fig jam over the puff pastry, leaving a 1/2-inch border around the edges. Evenly spread the onions over the top, then sprinkle with the Gruyere cheese.
• Bake at 400 degrees Fahrenheit for 4 - 5 more minutes or until the cheese melts.
• Garnish with additional thyme leaves and serve immediately. This tart may be made several hours ahead and reheated before serving, but I recommend baking it right before serving, otherwise the pastry gets a tad soggy.