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    TaraTeaspoon » Appetizers

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    Published: · Modified: Aug 18, 2021 by

    Pancetta, Brie and Caramelized Onion Tart

    Jump to Recipe Pin Recipe
    Pancetta, Brie and Caramelized Onion Tart
    Pancetta, Brie and Caramelized Onion Tart

    In this caramelized onion tart recipe, store-bought puff pastry is topped with caramelized onions, salty pancetta, and creamy Brie. Perfect for brunch, lunch, or as an appetizer!


    This savory puff pastry tart looks incredibly elegant, but it's secretly so easy to make. Don't worry, I won't tell your guests how little effort went into making this stunning dish!

    The toughest part of this recipe is that it requires a little patience. Caramelizing onions takes time (about 25 minutes or so over medium-low heat) but otherwise, this recipe is quick and easy.

    Just roll out some store-bought puff pastry, pile on the toppings, and bake!

    Slices of caramelized onion tart on a wooden cutting board.
    Jump to:
    • Ingredients for the Caramelized Onion Tart
    • How to Make a Caramelized Onion Tart
    • Tips for Making a Puff Pastry Tart
    • Pancetta, Brie and Caramelized Onion Tart

    Ingredients for the Caramelized Onion Tart

    This puff pastry onion tart recipe is a 7-ingredient wonder. Store-bought puff pastry forms the base of the tart.

    It's brushed with a mixture of melted butter and Dijon mustard for added flavor and richness.

    For the toppings, I caramelized a yellow onion and cooked up some pancetta. I also added sliced Brie cheese since it pairs so beautifully with the other ingredients in this recipe.

    I garnished my tart with fresh marjoram, which I thought tied everything together nicely.

    How to Make a Caramelized Onion Tart

    To ensure the puff pastry crust bakes up properly and isn't soggy in the middle, I pre-baked it for about 20 minutes until it was golden.

    While the crust baked, I caramelized the onions and cooked the pancetta in a separate skillet.

    Then, it was just a matter of adding the toppings to the pre-baked crust and returning the puff pastry tart to the oven to melt the cheese.

    Close up of a slice of puff pastry caramelized onion tart with Brie and pancetta.

    Can This Recipe Be Made in Advance?

    No, the onion tart is best enjoyed soon after baking it as the puff pastry loses its crispness over time. However, you may caramelize the onions beforehand, if desired.

    Can I Use Another Type of Cheese?

    I'm sure you could. If you'd rather not use Brie, you could substitute a good quality sharp cheddar cheese or gorgonzola. Freshly shredded Parmesan might also work.

    Tips for Making a Puff Pastry Tart

    • Line your baking sheet with parchment paper to ensure the tart doesn't get stuck to it.
    • You'll need to be very patient when caramelizing the onion. Resist the urge to crank up the heat to make the process go faster. It needs to cook low and slow to caramelize properly.
    • If you don't have any fresh marjoram, you can try using fresh thyme instead.

    More recipes you'll love:

    • Potato Herb Flatbread
    • Asparagus Puff Pastry wtih Cracked Pepper
    • Easy Caprese Focaccia
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    pancetta and brie tart with pastry crust

    Pancetta, Brie and Caramelized Onion Tart

    Tara Teaspoon
    In this recipe, store-bought puff pastry is topped with caramelized onions, salty pancetta, and creamy Brie. Perfect for brunch, lunch, or as an appetizer!
    5 from 3 votes
    Print Recipe Pin Recipe
    Prep Time 30 mins
    Cook Time 25 mins
    Total Time 55 mins
    Course Appetizer, Brunch
    Cuisine American
    Servings 4 to 6
    Calories 474 kcal

    Ingredients
      

    • 1 9" x 9" sheet puff pastry dough defrosted
    • 2 pkgs Niman Ranch Diced Pancetta
    • 1 medium yellow onion sliced root to tip
    • 2 tbsps butter
    • 2 tsps Dijon mustard
    • 3 oz Brie cheese
    • 2 tbsps fresh marjoram coarsely chopped

    Instructions
     

    • Heat oven to 350ºF. In a medium skillet on medium-low heat, melt 1 tablespoon of butter and add the sliced onion. Stir every 1 to 2 minutes until uniformly golden in color, about 25 minutes. Season with salt and pepper.
    • In a separate non-stick skillet over medium heat, cook the pancetta, stirring every 1 to 2 minutes, or until fat is rendered and pancetta is lightly browned, 8 to 10 minutes.
    • Carefully unfold puff pastry sheet onto a lightly floured surface. Roll dough to approximately 11-by-11-inches. Transfer dough to a parchment-lined baking sheet. Fold edge over ¾ inch to create a border. Dock then entire crust with a fork every 2 inches to allow steam to escape when baked.
    • Bake the crust until just golden, 20 to 25 minutes.
    • Slice brie into pieces.
    • Melt remaining 1 tablespoon butter in a small bowl and gently whisk in mustard.
    • Remove crust from oven. Using a pastry brush, glaze entire crust with the Dijon mixture. Layer caramelized onions and pancetta evenly over puff pastry. Add brie and return to oven for 3 to 5 minutes to melt cheese slightly.
    • Garnish with marjoram and cut into pieces to serve warm or room temperature.

    Notes

    Tips: 
    • Line your baking sheet with parchment paper to ensure the tart doesn't get stuck to it.
    • You'll need to be very patient when caramelizing the onion. Resist the urge to crank up the heat to make the process go faster. It needs to cook low and slow to caramelize properly.
    • If you don't have any fresh marjoram, you can try using fresh thyme instead.

    Nutrition

    Calories: 474kcalCarbohydrates: 30gProtein: 9gFat: 35gSaturated Fat: 13gCholesterol: 37mgSodium: 370mgPotassium: 110mgFiber: 1gSugar: 2gVitamin A: 385IUVitamin C: 3mgCalcium: 52mgIron: 2mg
    Want to watch videos to show you how to cook?Check out our Youtube and try this recipe and more.

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    About Tara Teaspoon

    I’ve been in the food publishing business for over 20 years, creating recipes & food-styling for magazines, books, television & advertising. Order my new cookbook & stick around for amazing things to eat.

    Find out more!

    Recipes by Tara Teaspoon. Photography Ty Mecham

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    Filed Under: Appetizers, Bacon, Easy Dinners Tagged With: bacon, caramelized onion, flatbread, onions, pancetta, savory tart, tart

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