Best 4 Caramelized French Onion Tart Recipes

CARAMELIZED FRENCH ONION TART

Steps:

• Preheat the oven to 350 degrees.
• In a large sauce pan, melt the butter on medium heat.
• Add the onions, white wine, sugar, thyme, salt and pepper and cook the onions until softened and golden brown.
• While the onions are caramelizing, combine the Ricotta cheese and egg in a small bowl and set aide.
• Unfold puff pastry sheets on a a large cookie sheet making sure both sheets connect in the middle of the pan. Gently fold in each side of the puff pastry sheets approximately 1 inch.
• Spread the Ricotta cheese mixture evenly over the puff pastry and lightly sprinkle most of the Parmesan cheese on top. Reserve some to sprinkle on top of the onions.
• Add the caramelized onions evenly over the cheese mixture and top the tart off by sprinkling any remaining Parmesan cheese.
• Bake for 30 minutes until puff pastry is golden brown and cooked through.
• Cut into small pieces for appetizers or bigger pieces to eat as a main dish.
• Enjoy!

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.

FRENCH ONION TART

Steps:

• Preheat the oven to 400 degrees F. Line a baking sheet with parchment paper.
• On a work surface, roll the puff pastry into a roughly 10 by 16-inch rectangle. With a sharp knife, trim uneven edges to make a perfect rectangle. Evenly cut off the outer 1 inch of each side of the rectangle in strips; put the puff sheet on the baking sheet. Dip your finger in water and run around the top edges of the rectangle and replace the removed strips of pastry along the edges of the sheet, pressing lightly to adhere. With a fork, pierce the interior of the tart shell to prevent rising; do not pierce the adhered edges. Bake until the outer edges have puffed and are golden in color; about 15 minutes. Set aside.
• Heat 2 tablespoons olive oil in a large skillet over medium-low heat. Add onions and thyme sprigs and season well with salt and pepper, to taste. Cook, stirring occasionally, until the onions begin to brown. Add the stock, a tablespoon at a time, as the pan gets dry, scraping and stirring the brown bits that are stuck to the bottom oft the pan. When the onions are caramelized to a dark golden color, remove from the heat and discard the leafless thyme sprigs (the leaves fall off while cooking).
• When ready to serve, preheat the oven to 350 degrees F. Evenly spread the caramelized onions on the cooked pastry shell and heat in the oven until warmed through, 5 to 7 minutes. Remove from oven, to a cutting board and cut into wedges. Arrange on a serving platter and garnish each wedge with a sprig of fresh thyme. Serve immediately and enjoy!

CARAMELIZED ONION TART

Steps:

• Prepare pastry: In large bowl, combine flour and 1/4 teaspoon salt. With pastry blender or 2 knives used scissors-fashion, cut in shortening and butter until mixture resembles coarse crumbs.
• Sprinkle in ice water, 1 tablespoon at a time, mixing lightly with fork after each addition, until dough is just moist enough to hold together. Shape dough into disk; wrap in plastic wrap. Refrigerate 30 minutes or overnight. (If chilled overnight, let dough stand 30 minutes at room temperature before rolling.).
• On lightly floured surface, with floured rolling pin, roll dough into 11-inch round. Carefully place dough in 9-inch round tart pan with removable bottom. Gently press dough onto pan bottom and up side, without stretching. Fold overhang in and press dough against side of pan so it extends 1/8-inch above pan rim. Refrigerate or freeze tart shell 10 to 15 minutes to firm slightly.
• Preheat oven to 425°F Place pan with tart shell on cookie sheet. Line tart shell with parchment or foil and fill with pie weights or dried beans. Place in oven and bake 15 minutes.
• Meanwhile, prepare Onion Filling: In medium bowl, with wire whisk, beat eggs, transfer 1 tablespoon beaten eggs to cup. To eggs in bowl, add milk, thyme, 1/4 teaspoon salt, and 1/4 teaspoon coarsely ground black pepper, and mix until blended; set aside.
• In 12-inch non-stick skillet, heat oil on medium 1 minute. Add onion, cook 20 minutes or until golden, stirring occasionally.
• Remove parchment and weights from pie shell; brush with egg from cup to seal. Bake tart shell 10 to 12 minutes longer or until golden. Transfer pan with tart shell to wire rack.
• Spread onion evenly into warm tart shell; sprinkle with Gruyere. Carefully pour egg mixture over onion. Bake tart 23 to 25 minutes or until puffed and custard jiggles only slightly in center. Cool on wire rack 10 minutes to serve warm. Removed side of pan before serving.