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Home » Breakfast

Caramelized Onion Tart With Puff Pastry

October 6, 2022 by Rita 1 Comment

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Caramelized Red Onion Tart Pinterest

This caramelized onion tart recipe is a savory tart made with juicy caramelized sweet onions, crumbled feta, sweet fig jam, and flaky puff pastry.

Whether you serve this puff pastry tart as a dinner party appetizer or light main meal with a simple salad, it’s sure to impress!

Caramelized Onion Tart With Puff Pastry
Jump to:
  • Ingredients
  • Instructions
  • Tips
  • Freezing and Storing Instructions
  • Frequently Asked Questions
  • Easy Appetizers Recipes
  • Caramelized Onion Tart With Puff Pastry

Ingredients

Puff Pastry - Only remove the puff pastry from the fridge just prior to assembling your tart as cold puff pastry bakes better. You can use store-bought puff pastry or homemade. 

Butter - Cold and cubed.

Onion - I’ve used red onions for this recipe as they provide a delicious sweet flavor. You could make this tart using yellow onions. 

Fig jam - Use store-bought jam for convenience or make your own if you like! Most grocery stores carry fig jam but if you can't source this then you can use fig preserves instead.

Feta - Crumbled. You could also use crumbled goat cheese, gorgonzola, or blue cheese! 

Egg wash - This helps to glue the pastry seams together so that the tart filling doesn’t spill out of the edges of the pastry while baking.

Caramelized Onion Tart With Puff Pastry

Sugar - Brown sugar adds depth of flavor and caramelization, perfect for this tart. 

Apple cider vinegar - Use any brand that you are familiar with. The apple cider vinegar helps to cut through the sharp flavors in this recipe. 

For the full list of ingredients, please scroll down to where you'll find the recipe card.

Instructions

Preheat the oven to 400 F.

In a large skillet cook onion over medium heat with some olive oil until softened and add sugar and vinegar.

Simmer until sugar is melted, bubbly, syrupy, and a dark golden brown. 

red onions cooking in a skillet

Roll out the puff pastry sheet on a flat work surface and transfer to a baking sheet or tart pan lined with parchment paper. 

puff pastry rolled out on baking sheet

Score the crust about 2 inch from the edges of the puff pastry rectangle with the tip of a sharp knife and poke the inside several times with the tines of a fork. 

Spread most of the fig jam across the inside of the puff pastry and reserve some for later.

fig jam spreaded on top of puff pastry sheet

Arrange cooked red onion and top with feta cheese and cubed butter.

Fold in the edges and brush with egg wash.

Bake for 20-25 minutes until golden brown. Brush with the remaining fig jam (for best results warm it up in the microwave until loose texture).

sauteed red onions and butter on top of fig jam

Allow to cool for a few minutes, slice, and serve.

red onion tart cut into squares and stacked together

Tips

  • You can add a little honey to the onions, sugar, and apple cider vinegar for a little extra sweetness. 
  • If you’re using frozen store-bought puff pastry, allow it to first thaw in the fridge prior to rolling out the base of the tart. Don’t let it sit out at room temperature for too long as cold puff pastry always bakes best when chilled. 
  • Double this recipe if serving a crowd. This onion tart can easily be enjoyed as a party appetizer or a light meal with a leafy green salad. 
  • A dough scoring tool can be used to score the edges of the puff pastry otherwise a sharp knife will do the job. 

Freezing and Storing Instructions

To store. Let the tart cool and then wrap it with aluminum foil or plastic wrap. Store in the fridge for up to 3 days.

To freeze. You can definitely freeze the baked tart, but I’d recommend assembling it and then freezing it ‘’unbaked’’. Defrost overnight in the fridge and bake as per instructions.

Frequently Asked Questions

Is this caramelized onion tart gluten-free?

Regular puff pastry contains flour but there are some brands that sell gluten-free puff pastry that can be used for this recipe.

Can I make mini caramelized onion tarts instead?

Absolutely! Use a muffin tin and a cookie cutter to cut out round pastry cut-outs. Press the pastry circles into each muffin tin and fill each muffin cup with the caramelized onion mixture and crumbled feta to bake. The round pastry cut-outs need to be large enough so that the pastry comes up the sides of each muffin cup.

What toppings work best with this onion tart?

Additional delicious toppings that you could add to this onion tart include grated parmesan cheese, fresh thyme leaves or thyme sprigs, or even crispy bacon bits.

What’s the point of pricking the puff pastry dough and scoring it when assembling the tart?

The tart needs to release steam while it bakes. The small holes created with the fork on the inside of the tart help to release this steam so that the tart crisps instead of becoming soggy from steaming. Scoring the edge of the puff pastry is a simple technique used that helps the border of the tart to rise while baking, keeping the center filling in the middle of the tart.

Thank you so much for reading about how to make Caramelized Onion Tart With Puff Pastry! Please feel free to comment with any questions you may have! I love reading your feedback.

Rita

Easy Appetizers Recipes

  • Chicken Barbecue Pizza
  • Roasted Garlic
  • Healthy Asparagus Fries
Caramelized Red Onion Tart Pinterest

Did you make this recipe? Please be sure to leave a rating and a comment below. Thank you!

Caramelized Onion Tart With Puff Pastry

Caramelized Onion Tart With Puff Pastry

This caramelized onion tart recipe is a savory tart made with juicy caramelized sweet onions, crumbled feta, sweet fig jam, and flaky puff pastry. Whether you serve this puff pastry tart as a dinner party appetizer or light main meal with a simple salad, it’s sure to impress!
5 from 1 vote
Print Recipe Pin Recipe
Prep Time 10 mins
Cook Time 25 mins
Total Time 35 mins
Course Appetizer
Cuisine American
Servings 6 servings

Ingredients
  

  • 1 puff pastry sheet thawed
  • 1 ½ tablespoons of cold butter cubed
  • 4 medium red onions
  • 4 tablespoons of fig jam
  • 3-4 tablespoons of feta crumbled
  • 1 egg wash
  • 5 tablespoons of brown sugar
  • 2 teaspoon apple cider vinegar

Instructions
 

  • Preheat oven to 400 degrees Fahrenheit.
  • In a large skillet cook onion over medium heat with some olive oil until softened and add sugar and vinegar. Simmer until sugar is melted, bubbly, syrupy, and a dark golden brown.
  • Roll out the puff pastry sheet on a flat work surface and transfer to a baking sheet or tart pan lined with parchment paper.
  • Score the crust about 1 inch from the edges of the puff pastry rectangle with the tip of a sharp knife and poke the inside several times with the tines of a fork.
  • Spread most of the fig jam across the inside of the puff pastry and reserve some for later.
  • Arrange cooked red onion and top with feta cheese and cubed butter.
  • Fold in the edges and brush with egg wash.
  • Bake for 20-25 minutes until golden brown. Brush with the remaining fig jam (for best results warm it up in the microwave until loose texture).
  • Allow to cool for a few minutes, slice, and serve.
Keyword caramelized onion tart, onion tart puff pastry

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Comments

  1. Rita

    October 06, 2022 at 6:26 am

    5 stars
    Sweet and savoury caramelized onion justm melts in your mouth. It's so easy!

    Reply

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Hello! I'm Rita. Here you'll find delicious, easy, and family-trusted recipes with easy step-by-step instructions. There is nothing better than enjoying good food and wine with your loved ones!

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