French Onion Tart

This onion tart is a young and scrumptious puff pastry topped with caramelized onions makes the proper appetizer or facet dish! It’s insanely scrumptious and price being served at any celebration or get-together!

I completely love a very good appetizer as a result of I really like a very good celebration! And the meals is what makes it or breaks it! Check out this improbable 5 minute dip, these scrumptious egg rolls, or these chicken wings!

The top view of a cooked onion tart sliced into squares.

What’s an Onion Tart?

An onion tart is a improbable finger food appetizer that may be served for any event and any visitor! You begin out with a big puff pastry, and also you high it with some onions which have been cooked and caramelized in sugar. When you add the caramelized onion to the puff pastry, you add some cheese and thyme, and then you definitely bake them collectively! Slice it up and serve it to your company on a platter!

Describing this as an appetizer is nothing in comparison with consuming it! The puff pastry cooks to the proper golden brown, which supplies a slight crunch if you chunk it. If you mix that with the deliciously flavored and caramelized textured onions, nicely, it’s sport over. It melts in your mouth, and also you actually received’t be capable to cease your self from coming again for seconds! Don’t miss out! Cook dinner this to your subsequent banquet, and your company will go loopy over it!

What Elements are in an Onion Tart Recipe?

The components on this recipe are easy and simple! In truth, you might have already got most of them able to go in your kitchen! Seize something that you just don’t have already got on the retailer and get cooking! Your tastebuds are ready! Take a look at the recipe ard on the backside of the put up for precise measurements.

  • Puff Pastry: Tkae the time to thaw your puff pastry within the fridge, in a single day.
  • Candy Yellow Onions: Slices these up into skinny , even items in order that that they cook dinner collectively on the identical time.
  • Olive Oil: I used common olive oil to cook dinner the onions in.
  • Brown Sugar: This isn’t solely scrumptious however essential to get that caramelized glaze on the onions.
  • Kosher Salt: This can improve all the flavors on this recipe.
  • Gruyere Cheese: For those who don’t have this cheese then you possibly can attempt gouda, feta or mozzarella as a substitute!
  • Recent Thyme: I like to make use of recent thyme as a result of it has a stronger and scrumptious style.
  • Heavy Cream: That is what you’ll use to get that golden brown edge on the puff pastry!

The right way to Make and Onion Tart

This scrumptious recipe takes lower than an hour from begin to end. And that features all the cooking time. Besides this tastes higher! It’s a terrific go-to for any appetizer choices and feels fancy, like one thing that you’d order at a restaurant…

  1. Cook dinner onions: Warmth oil in a big deep pan on medium-high warmth. Stir within the onions and cook dinner for about 10 minutes or till softened and wilted. 
  2. Caramelize: Add the salt and brown sugar and cook dinner uncovered for a further 20 minutes till the onions are caramelized. Put aside and permit to chill when you put together the tart. Make sure that your caramelized onions are cooled sufficient earlier than you place them on the chilly tart.
  3. Preheat: Preheat the oven to 400° Fahrenheit.
  4. Prep pastry puff: Rigorously unroll every pastry tart. Place them barely overlapping on a baking sheet lined with parchment paper. Flippantly press the 2 tarts creating one giant rectangular-sized tart. Fold up the edges round the entire tart to create a fairly completed edge. Prick with a fork each inch or so to assist stop effervescent whereas baking.
  5. Add cheese: Sprinkle the cheese evenly on the tart. 
  6. Add onion combination: Evenly lay the onions on high of the pastry.
  7. Brush with cream: Utilizing a pastry brush, brush the folded edges of the pastry with heavy cream to create that golden brown crust. Sprinkle on the thyme leaves.
  8. Bake: Bake for 18-20 minutes or till cheese has melted and pastry is crisp. Cool for five minutes earlier than chopping the caramelized onion tart into squares or triangles. Garnish with extra thyme leaves if desired.
6 pictures showing how to cook caramelized onions, how to add them to a puff pastry and get it ready to go into the oven.

Useful Suggestions

I discovered quite a lot of success utilizing the next ideas when making the onion tart. The recipe can appear intimidating, however if you happen to observe the following pointers, one can find success in making the tart!

  • Thaw: Don’t overlook to plan forward to thaw the puff pastry dough within the fridge the evening earlier than.
  • Preserve it cool: Preserve the puff pastry refrigerated till prepared to make use of. The chilled pastry creates a flakey outcome.
  • Prick it: Make sure that to prick the pastry with a fork to forestall the pastry from effervescent.
  • Cooking onions: Cooking the onions low and sluggish is greatest for bringing out the sweetness. Be affected person! Enable the onions to chill for about 10 minutes earlier than assembling. This fashion the pastry stays chilled sufficient earlier than baking.
  • Cheese choices: Gorgonzola, brie, blue, gouda, feta, mozzarella, swiss chees or actually any cheese you suppose would pair nicely with the flavors.
  • Use parchment paper: Parchment paper is your greatest buddy when working with puff pastry. It additionally makes cleanup straightforward!
  • Suggestions for serving: The tart might be sliced into squares, strips, or triangles. It serves fantastically any method!
  • Garnish concepts: I like to garnish with recent herbs earlier than serving. A drizzle of balsamic glaze can also be a crowd pleaser!

The top view of a fully cooked onion tart, just out of the oven.

The right way to Retailer and Reheat Leftovers

As soon as your onion tart has cooled, then you possibly can place it in an hermetic container and put it in your fridge. It should final 4-5 days. I like to recommend reheating it within the oven at 375 levels Fahrenheit for about 15-20 minutes or till it’s heated via.

A slice of onion tart on a flate with a silver fork.

Print

Caramelized Onion Tart

This tender and scrumptious puff pastry topped with caramelized onions makes the proper appetizer or facet dish! It’s insanely scrumptious and price being served at any celebration or get-together! 
Course Appetizer
Delicacies French
Key phrase Caramelized Onions, French Onion Tart, Onion Tart
Prep Time 30 minutes
Cook dinner Time 18 minutes
Complete Time 48 minutes
Servings 6
Energy 627kcal
Writer Alyssa Rivers

Elements

  • 2 sheets Puff Pastry, thawed within the fridge in a single day
  • 4 cups Candy Yellow Onions, sliced
  • 1 tbsp Olive Oil
  • 2 tsp Brown Sugar
  • 1/2 tsp Kosher Salt
  • 1 cup Gruyere Cheese, shredded
  • 2 tsp Recent Thyme, destemmed and minced
  • 2 tbsp Heavy Cream

Directions

  • Warmth oil in a big deep pan on medium-high warmth. Add onions and cook dinner for about 10 minutes or till softened and wilted.
  • Add the salt and brown sugar and cook dinner uncovered for a further 20 minutes till the onions are caramelized. Put aside and permit to chill when you put together the tart. Make sure that your onions are cooled sufficient earlier than you place them on the chilly tart.
  • Preheat the oven to 400° Fahrenheit.
  • Rigorously unroll every pastry tart. Place them barely overlapping on a baking sheet lined with parchment paper. Flippantly press the 2 tarts creating one giant rectangular-sized tart. Fold up the edges round the entire tart to create a fairly completed edge. Prick with a fork each inch or so to assist stop effervescent whereas baking.
  • Sprinkle the cheese evenly on the tart.
  • Evenly lay the onions on high of the pastry.
  • Utilizing a pastry brush, brush the folded edges of the pastry with heavy cream to create that golden brown edge. Sprinkle on the thyme leaves.
  • Bake for 18-20 minutes or till cheese has melted and pastry is crisp. Cool for five minutes earlier than chopping into squares or triangles. Garnish with extra thyme leaves if desired.

Diet

Energy: 627kcal | Carbohydrates: 48g | Protein: 14g | Fats: 42g | Saturated Fats: 14g | Polyunsaturated Fats: 5g | Monounsaturated Fats: 22g | Ldl cholesterol: 30mg | Sodium: 560mg | Potassium: 234mg | Fiber: 3g | Sugar: 7g | Vitamin A: 317IU | Vitamin C: 9mg | Calcium: 262mg | Iron: 2mg

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